20408941592

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{233}}^1$

素因数の和:422

約数の個数: 192

約数和(自身を含む): 45692786880

約数和(自身を除く): 25283845288

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 37, 52, 68, 74, 103, 104, 136, 148, 169, 206, 221, 233, 296, 338, 412, 442, 466, 481, 629, 676, 824, 884, 932, 962, 1258, 1339, 1352, 1751, 1768, 1864, 1924, 2516, 2678, 2873, 3029, 3502, 3811, 3848, 3961, 5032, 5356, 5746, 6058, 6253, 7004, 7622, 7922, 8177, 8621, 10712, 11492, 12116, 12506, 14008, 15244, 15844, 16354, 17242, 17407, 22763, 22984, 23999, 24232, 25012, 30488, 31688, 32708, 34484, 34814, 39377, 45526, 47998, 49543, 50024, 51493, 64787, 65416, 68968, 69628, 78754, 91052, 95996, 99086, 102986, 106301, 112073, 129574, 139256, 146557, 157508, 182104, 191992, 198172, 205972, 212602, 224146, 259148, 293114, 295919, 311987, 315016, 396344, 407983, 411944, 425204, 448292, 518296, 586228, 591838, 623974, 644059, 669409, 815966, 842231, 850408, 887963, 896584, 1172456, 1183676, 1247948, 1288118, 1338818, 1456949, 1631932, 1684462, 1775926, 1905241, 2367352, 2495896, 2576236, 2677636, 2913898, 3263864, 3368924, 3551852, 3810482, 4055831, 5152472, 5303779, 5355272, 5827796, 6737848, 7103704, 7620964, 8111662, 10607558, 10949003, 11543519, 11655592, 15095371, 15241928, 16223324, 21215116, 21898006, 23087038, 24768133, 30190742, 32446648, 42430232, 43796012, 46174076, 49536266, 60381484, 68949127, 87592024, 92348152, 99072532, 120762968, 137898254, 150065747, 196239823, 198145064, 275796508, 300131494, 392479646, 551593016, 600262988, 784959292, 1200525976, 1569918584, 2551117699, 5102235398, 10204470796, 20408941592]

約数ペア:

[(1, 20408941592), (2, 10204470796), (4, 5102235398), (8, 2551117699), (13, 1569918584), (17, 1200525976), (26, 784959292), (34, 600262988), (37, 551593016), (52, 392479646), (68, 300131494), (74, 275796508), (103, 198145064), (104, 196239823), (136, 150065747), (148, 137898254), (169, 120762968), (206, 99072532), (221, 92348152), (233, 87592024), (296, 68949127), (338, 60381484), (412, 49536266), (442, 46174076), (466, 43796012), (481, 42430232), (629, 32446648), (676, 30190742), (824, 24768133), (884, 23087038), (932, 21898006), (962, 21215116), (1258, 16223324), (1339, 15241928), (1352, 15095371), (1751, 11655592), (1768, 11543519), (1864, 10949003), (1924, 10607558), (2516, 8111662), (2678, 7620964), (2873, 7103704), (3029, 6737848), (3502, 5827796), (3811, 5355272), (3848, 5303779), (3961, 5152472), (5032, 4055831), (5356, 3810482), (5746, 3551852), (6058, 3368924), (6253, 3263864), (7004, 2913898), (7622, 2677636), (7922, 2576236), (8177, 2495896), (8621, 2367352), (10712, 1905241), (11492, 1775926), (12116, 1684462), (12506, 1631932), (14008, 1456949), (15244, 1338818), (15844, 1288118), (16354, 1247948), (17242, 1183676), (17407, 1172456), (22763, 896584), (22984, 887963), (23999, 850408), (24232, 842231), (25012, 815966), (30488, 669409), (31688, 644059), (32708, 623974), (34484, 591838), (34814, 586228), (39377, 518296), (45526, 448292), (47998, 425204), (49543, 411944), (50024, 407983), (51493, 396344), (64787, 315016), (65416, 311987), (68968, 295919), (69628, 293114), (78754, 259148), (91052, 224146), (95996, 212602), (99086, 205972), (102986, 198172), (106301, 191992), (112073, 182104), (129574, 157508), (139256, 146557)]