20666646

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:107

約数の個数: 192

約数和(自身を含む): 63737856

約数和(自身を除く): 43071210

約数列:

[1, 2, 3, 6, 7, 9, 11, 13, 14, 18, 21, 22, 26, 31, 33, 37, 39, 42, 62, 63, 66, 74, 77, 78, 91, 93, 99, 111, 117, 126, 143, 154, 182, 186, 198, 217, 222, 231, 234, 259, 273, 279, 286, 333, 341, 403, 407, 429, 434, 462, 481, 518, 546, 558, 651, 666, 682, 693, 777, 806, 814, 819, 858, 962, 1001, 1023, 1147, 1209, 1221, 1287, 1302, 1386, 1443, 1554, 1638, 1953, 2002, 2046, 2294, 2331, 2387, 2418, 2442, 2574, 2821, 2849, 2886, 3003, 3069, 3367, 3441, 3627, 3663, 3906, 4329, 4433, 4662, 4774, 5291, 5642, 5698, 6006, 6138, 6734, 6882, 7161, 7254, 7326, 8029, 8463, 8547, 8658, 8866, 9009, 10101, 10323, 10582, 12617, 13299, 14322, 14911, 15873, 16058, 16926, 17094, 18018, 20202, 20646, 21483, 24087, 25234, 25389, 25641, 26598, 29822, 30303, 31031, 31746, 37037, 37851, 39897, 42966, 44733, 47619, 48174, 50778, 51282, 60606, 62062, 72261, 74074, 75702, 79794, 88319, 89466, 93093, 95238, 104377, 111111, 113553, 134199, 144522, 164021, 176638, 186186, 208754, 222222, 227106, 264957, 268398, 279279, 313131, 328042, 333333, 492063, 529914, 558558, 626262, 666666, 794871, 939393, 984126, 1148147, 1476189, 1589742, 1878786, 2296294, 2952378, 3444441, 6888882, 10333323, 20666646]

約数ペア:

[(1, 20666646), (2, 10333323), (3, 6888882), (6, 3444441), (7, 2952378), (9, 2296294), (11, 1878786), (13, 1589742), (14, 1476189), (18, 1148147), (21, 984126), (22, 939393), (26, 794871), (31, 666666), (33, 626262), (37, 558558), (39, 529914), (42, 492063), (62, 333333), (63, 328042), (66, 313131), (74, 279279), (77, 268398), (78, 264957), (91, 227106), (93, 222222), (99, 208754), (111, 186186), (117, 176638), (126, 164021), (143, 144522), (154, 134199), (182, 113553), (186, 111111), (198, 104377), (217, 95238), (222, 93093), (231, 89466), (234, 88319), (259, 79794), (273, 75702), (279, 74074), (286, 72261), (333, 62062), (341, 60606), (403, 51282), (407, 50778), (429, 48174), (434, 47619), (462, 44733), (481, 42966), (518, 39897), (546, 37851), (558, 37037), (651, 31746), (666, 31031), (682, 30303), (693, 29822), (777, 26598), (806, 25641), (814, 25389), (819, 25234), (858, 24087), (962, 21483), (1001, 20646), (1023, 20202), (1147, 18018), (1209, 17094), (1221, 16926), (1287, 16058), (1302, 15873), (1386, 14911), (1443, 14322), (1554, 13299), (1638, 12617), (1953, 10582), (2002, 10323), (2046, 10101), (2294, 9009), (2331, 8866), (2387, 8658), (2418, 8547), (2442, 8463), (2574, 8029), (2821, 7326), (2849, 7254), (2886, 7161), (3003, 6882), (3069, 6734), (3367, 6138), (3441, 6006), (3627, 5698), (3663, 5642), (3906, 5291), (4329, 4774), (4433, 4662)]