20243668

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 39435984

約数和(自身を除く): 19192316

約数列:

[1, 2, 4, 17, 34, 41, 53, 68, 82, 106, 137, 164, 212, 274, 548, 697, 901, 1394, 1802, 2173, 2329, 2788, 3604, 4346, 4658, 5617, 7261, 8692, 9316, 11234, 14522, 22468, 29044, 36941, 73882, 95489, 123437, 147764, 190978, 246874, 297701, 381956, 493748, 595402, 1190804, 5060917, 10121834, 20243668]

約数ペア:

[(1, 20243668), (2, 10121834), (4, 5060917), (17, 1190804), (34, 595402), (41, 493748), (53, 381956), (68, 297701), (82, 246874), (106, 190978), (137, 147764), (164, 123437), (212, 95489), (274, 73882), (548, 36941), (697, 29044), (901, 22468), (1394, 14522), (1802, 11234), (2173, 9316), (2329, 8692), (2788, 7261), (3604, 5617), (4346, 4658)]