20211002440

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{433}}^1\times {\mathrm{7159}}^1$

素因数の和:7766

約数の個数: 64

約数和(自身を含む): 45865814400

約数和(自身を除く): 25654811960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 433, 652, 815, 866, 1304, 1630, 1732, 2165, 3260, 3464, 4330, 6520, 7159, 8660, 14318, 17320, 28636, 35795, 57272, 70579, 71590, 141158, 143180, 282316, 286360, 352895, 564632, 705790, 1166917, 1411580, 2333834, 2823160, 3099847, 4667668, 5834585, 6199694, 9335336, 11669170, 12399388, 15499235, 23338340, 24798776, 30998470, 46676680, 61996940, 123993880, 505275061, 1010550122, 2021100244, 2526375305, 4042200488, 5052750610, 10105501220, 20211002440]

約数ペア:

[(1, 20211002440), (2, 10105501220), (4, 5052750610), (5, 4042200488), (8, 2526375305), (10, 2021100244), (20, 1010550122), (40, 505275061), (163, 123993880), (326, 61996940), (433, 46676680), (652, 30998470), (815, 24798776), (866, 23338340), (1304, 15499235), (1630, 12399388), (1732, 11669170), (2165, 9335336), (3260, 6199694), (3464, 5834585), (4330, 4667668), (6520, 3099847), (7159, 2823160), (8660, 2333834), (14318, 1411580), (17320, 1166917), (28636, 705790), (35795, 564632), (57272, 352895), (70579, 286360), (71590, 282316), (141158, 143180)]