20080862576

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{503}}^1\times {\mathrm{3203}}^1$

素因数の和:3774

約数の個数: 80

約数和(自身を含む): 42049808640

約数和(自身を除く): 21968946064

約数列:

[1, 2, 4, 8, 16, 19, 38, 41, 76, 82, 152, 164, 304, 328, 503, 656, 779, 1006, 1558, 2012, 3116, 3203, 4024, 6232, 6406, 8048, 9557, 12464, 12812, 19114, 20623, 25624, 38228, 41246, 51248, 60857, 76456, 82492, 121714, 131323, 152912, 164984, 243428, 262646, 329968, 391837, 486856, 525292, 783674, 973712, 1050584, 1567348, 1611109, 2101168, 2495137, 3134696, 3222218, 4990274, 6269392, 6444436, 9980548, 12888872, 19961096, 25777744, 30611071, 39922192, 61222142, 66055469, 122444284, 132110938, 244888568, 264221876, 489777136, 528443752, 1056887504, 1255053911, 2510107822, 5020215644, 10040431288, 20080862576]

約数ペア:

[(1, 20080862576), (2, 10040431288), (4, 5020215644), (8, 2510107822), (16, 1255053911), (19, 1056887504), (38, 528443752), (41, 489777136), (76, 264221876), (82, 244888568), (152, 132110938), (164, 122444284), (304, 66055469), (328, 61222142), (503, 39922192), (656, 30611071), (779, 25777744), (1006, 19961096), (1558, 12888872), (2012, 9980548), (3116, 6444436), (3203, 6269392), (4024, 4990274), (6232, 3222218), (6406, 3134696), (8048, 2495137), (9557, 2101168), (12464, 1611109), (12812, 1567348), (19114, 1050584), (20623, 973712), (25624, 783674), (38228, 525292), (41246, 486856), (51248, 391837), (60857, 329968), (76456, 262646), (82492, 243428), (121714, 164984), (131323, 152912)]