20619216

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^2\times {\mathrm{149}}^1$

素因数の和:225

約数の個数: 90

約数和(自身を含む): 60026850

約数和(自身を除く): 39407634

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 62, 72, 93, 124, 144, 149, 186, 248, 279, 298, 372, 447, 496, 558, 596, 744, 894, 961, 1116, 1192, 1341, 1488, 1788, 1922, 2232, 2384, 2682, 2883, 3576, 3844, 4464, 4619, 5364, 5766, 7152, 7688, 8649, 9238, 10728, 11532, 13857, 15376, 17298, 18476, 21456, 23064, 27714, 34596, 36952, 41571, 46128, 55428, 69192, 73904, 83142, 110856, 138384, 143189, 166284, 221712, 286378, 332568, 429567, 572756, 665136, 859134, 1145512, 1288701, 1718268, 2291024, 2577402, 3436536, 5154804, 6873072, 10309608, 20619216]

約数ペア:

[(1, 20619216), (2, 10309608), (3, 6873072), (4, 5154804), (6, 3436536), (8, 2577402), (9, 2291024), (12, 1718268), (16, 1288701), (18, 1145512), (24, 859134), (31, 665136), (36, 572756), (48, 429567), (62, 332568), (72, 286378), (93, 221712), (124, 166284), (144, 143189), (149, 138384), (186, 110856), (248, 83142), (279, 73904), (298, 69192), (372, 55428), (447, 46128), (496, 41571), (558, 36952), (596, 34596), (744, 27714), (894, 23064), (961, 21456), (1116, 18476), (1192, 17298), (1341, 15376), (1488, 13857), (1788, 11532), (1922, 10728), (2232, 9238), (2384, 8649), (2682, 7688), (2883, 7152), (3576, 5766), (3844, 5364), (4464, 4619)]