20173878710

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{85147}}^1$

素因数の和:85245

約数の個数: 64

約数和(自身を含む): 40462329600

約数和(自身を除く): 20288450890

約数列:

[1, 2, 5, 10, 19, 29, 38, 43, 58, 86, 95, 145, 190, 215, 290, 430, 551, 817, 1102, 1247, 1634, 2494, 2755, 4085, 5510, 6235, 8170, 12470, 23693, 47386, 85147, 118465, 170294, 236930, 425735, 851470, 1617793, 2469263, 3235586, 3661321, 4938526, 7322642, 8088965, 12346315, 16177930, 18306605, 24692630, 36613210, 46915997, 69565099, 93831994, 106178309, 139130198, 212356618, 234579985, 347825495, 469159970, 530891545, 695650990, 1061783090, 2017387871, 4034775742, 10086939355, 20173878710]

約数ペア:

[(1, 20173878710), (2, 10086939355), (5, 4034775742), (10, 2017387871), (19, 1061783090), (29, 695650990), (38, 530891545), (43, 469159970), (58, 347825495), (86, 234579985), (95, 212356618), (145, 139130198), (190, 106178309), (215, 93831994), (290, 69565099), (430, 46915997), (551, 36613210), (817, 24692630), (1102, 18306605), (1247, 16177930), (1634, 12346315), (2494, 8088965), (2755, 7322642), (4085, 4938526), (5510, 3661321), (6235, 3235586), (8170, 2469263), (12470, 1617793), (23693, 851470), (47386, 425735), (85147, 236930), (118465, 170294)]