20170758986

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1\times {\mathrm{1777}}^1$

素因数の和:2251

約数の個数: 64

約数和(自身を含む): 36800332800

約数和(自身を除く): 16629573814

約数列:

[1, 2, 7, 14, 19, 38, 133, 139, 266, 278, 307, 614, 973, 1777, 1946, 2149, 2641, 3554, 4298, 5282, 5833, 11666, 12439, 18487, 24878, 33763, 36974, 40831, 42673, 67526, 81662, 85346, 236341, 247003, 298711, 472682, 494006, 545539, 597422, 810787, 1091078, 1621574, 1729021, 3458042, 3818773, 4693057, 5675509, 7637546, 9386114, 10365241, 11351018, 20730482, 32851399, 65702798, 72556687, 75829921, 145113374, 151659842, 530809447, 1061618894, 1440768499, 2881536998, 10085379493, 20170758986]

約数ペア:

[(1, 20170758986), (2, 10085379493), (7, 2881536998), (14, 1440768499), (19, 1061618894), (38, 530809447), (133, 151659842), (139, 145113374), (266, 75829921), (278, 72556687), (307, 65702798), (614, 32851399), (973, 20730482), (1777, 11351018), (1946, 10365241), (2149, 9386114), (2641, 7637546), (3554, 5675509), (4298, 4693057), (5282, 3818773), (5833, 3458042), (11666, 1729021), (12439, 1621574), (18487, 1091078), (24878, 810787), (33763, 597422), (36974, 545539), (40831, 494006), (42673, 472682), (67526, 298711), (81662, 247003), (85346, 236341)]