20565558860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{317}}^1\times {\mathrm{409}}^1$

素因数の和:856

約数の個数: 192

約数和(自身を含む): 54671984640

約数和(自身を除く): 34106425780

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 103, 110, 140, 154, 206, 220, 308, 317, 385, 409, 412, 515, 634, 721, 770, 818, 1030, 1133, 1268, 1442, 1540, 1585, 1636, 2045, 2060, 2219, 2266, 2863, 2884, 3170, 3487, 3605, 4090, 4438, 4499, 4532, 5665, 5726, 6340, 6974, 7210, 7931, 8180, 8876, 8998, 11095, 11330, 11452, 13948, 14315, 14420, 15862, 17435, 17996, 22190, 22495, 22660, 24409, 28630, 31493, 31724, 32651, 34870, 39655, 42127, 44380, 44990, 48818, 57260, 62986, 65302, 69740, 79310, 84254, 89980, 97636, 122045, 125972, 129653, 130604, 157465, 158620, 163255, 168508, 210635, 228557, 244090, 259306, 294889, 314930, 326510, 359161, 421270, 457114, 463397, 488180, 518612, 589778, 629860, 648265, 653020, 718322, 842540, 907571, 914228, 926794, 1142785, 1179556, 1296530, 1426183, 1436644, 1474445, 1795805, 1815142, 1853588, 2285570, 2316985, 2514127, 2593060, 2852366, 2948890, 3243779, 3591610, 3630284, 4537855, 4571140, 4633970, 5028254, 5704732, 5897780, 6487558, 7130915, 7183220, 9075710, 9267940, 9983281, 10056508, 12570635, 12975116, 13354259, 14261830, 16218895, 18151420, 19966562, 25141270, 26708518, 28523660, 32437790, 39933124, 49916405, 50282540, 53417036, 64875580, 66771295, 93479813, 99832810, 133542590, 146896849, 186959626, 199665620, 267085180, 293793698, 373919252, 467399065, 587587396, 734484245, 934798130, 1028277943, 1468968490, 1869596260, 2056555886, 2937936980, 4113111772, 5141389715, 10282779430, 20565558860]

約数ペア:

[(1, 20565558860), (2, 10282779430), (4, 5141389715), (5, 4113111772), (7, 2937936980), (10, 2056555886), (11, 1869596260), (14, 1468968490), (20, 1028277943), (22, 934798130), (28, 734484245), (35, 587587396), (44, 467399065), (55, 373919252), (70, 293793698), (77, 267085180), (103, 199665620), (110, 186959626), (140, 146896849), (154, 133542590), (206, 99832810), (220, 93479813), (308, 66771295), (317, 64875580), (385, 53417036), (409, 50282540), (412, 49916405), (515, 39933124), (634, 32437790), (721, 28523660), (770, 26708518), (818, 25141270), (1030, 19966562), (1133, 18151420), (1268, 16218895), (1442, 14261830), (1540, 13354259), (1585, 12975116), (1636, 12570635), (2045, 10056508), (2060, 9983281), (2219, 9267940), (2266, 9075710), (2863, 7183220), (2884, 7130915), (3170, 6487558), (3487, 5897780), (3605, 5704732), (4090, 5028254), (4438, 4633970), (4499, 4571140), (4532, 4537855), (5665, 3630284), (5726, 3591610), (6340, 3243779), (6974, 2948890), (7210, 2852366), (7931, 2593060), (8180, 2514127), (8876, 2316985), (8998, 2285570), (11095, 1853588), (11330, 1815142), (11452, 1795805), (13948, 1474445), (14315, 1436644), (14420, 1426183), (15862, 1296530), (17435, 1179556), (17996, 1142785), (22190, 926794), (22495, 914228), (22660, 907571), (24409, 842540), (28630, 718322), (31493, 653020), (31724, 648265), (32651, 629860), (34870, 589778), (39655, 518612), (42127, 488180), (44380, 463397), (44990, 457114), (48818, 421270), (57260, 359161), (62986, 326510), (65302, 314930), (69740, 294889), (79310, 259306), (84254, 244090), (89980, 228557), (97636, 210635), (122045, 168508), (125972, 163255), (129653, 158620), (130604, 157465)]