20186121420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1877}}^1\times {\mathrm{59747}}^1$

素因数の和:61639

約数の個数: 72

約数和(自身を含む): 61264882224

約数和(自身を除く): 41078760804

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1877, 3754, 5631, 7508, 9385, 11262, 16893, 18770, 22524, 28155, 33786, 37540, 56310, 59747, 67572, 84465, 112620, 119494, 168930, 179241, 238988, 298735, 337860, 358482, 537723, 597470, 716964, 896205, 1075446, 1194940, 1792410, 2150892, 2688615, 3584820, 5377230, 10754460, 112145119, 224290238, 336435357, 448580476, 560725595, 672870714, 1009306071, 1121451190, 1345741428, 1682176785, 2018612142, 2242902380, 3364353570, 4037224284, 5046530355, 6728707140, 10093060710, 20186121420]

約数ペア:

[(1, 20186121420), (2, 10093060710), (3, 6728707140), (4, 5046530355), (5, 4037224284), (6, 3364353570), (9, 2242902380), (10, 2018612142), (12, 1682176785), (15, 1345741428), (18, 1121451190), (20, 1009306071), (30, 672870714), (36, 560725595), (45, 448580476), (60, 336435357), (90, 224290238), (180, 112145119), (1877, 10754460), (3754, 5377230), (5631, 3584820), (7508, 2688615), (9385, 2150892), (11262, 1792410), (16893, 1194940), (18770, 1075446), (22524, 896205), (28155, 716964), (33786, 597470), (37540, 537723), (56310, 358482), (59747, 337860), (67572, 298735), (84465, 238988), (112620, 179241), (119494, 168930)]