20210905064

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^2\times {\mathrm{43}}^1\times {\mathrm{4993}}^1$

素因数の和:5131

約数の個数: 96

約数和(自身を含む): 45432615360

約数和(自身を除く): 25221710296

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 43, 56, 82, 86, 164, 172, 287, 301, 328, 344, 574, 602, 1148, 1204, 1681, 1763, 2296, 2408, 3362, 3526, 4993, 6724, 7052, 9986, 11767, 12341, 13448, 14104, 19972, 23534, 24682, 34951, 39944, 47068, 49364, 69902, 72283, 94136, 98728, 139804, 144566, 204713, 214699, 279608, 289132, 409426, 429398, 505981, 578264, 818852, 858796, 1011962, 1432991, 1502893, 1637704, 1717592, 2023924, 2865982, 3005786, 4047848, 5731964, 6011572, 8393233, 8802659, 11463928, 12023144, 16786466, 17605318, 33572932, 35210636, 58752631, 61618613, 67145864, 70421272, 117505262, 123237226, 235010524, 246474452, 360909019, 470021048, 492948904, 721818038, 1443636076, 2526363133, 2887272152, 5052726266, 10105452532, 20210905064]

約数ペア:

[(1, 20210905064), (2, 10105452532), (4, 5052726266), (7, 2887272152), (8, 2526363133), (14, 1443636076), (28, 721818038), (41, 492948904), (43, 470021048), (56, 360909019), (82, 246474452), (86, 235010524), (164, 123237226), (172, 117505262), (287, 70421272), (301, 67145864), (328, 61618613), (344, 58752631), (574, 35210636), (602, 33572932), (1148, 17605318), (1204, 16786466), (1681, 12023144), (1763, 11463928), (2296, 8802659), (2408, 8393233), (3362, 6011572), (3526, 5731964), (4993, 4047848), (6724, 3005786), (7052, 2865982), (9986, 2023924), (11767, 1717592), (12341, 1637704), (13448, 1502893), (14104, 1432991), (19972, 1011962), (23534, 858796), (24682, 818852), (34951, 578264), (39944, 505981), (47068, 429398), (49364, 409426), (69902, 289132), (72283, 279608), (94136, 214699), (98728, 204713), (139804, 144566)]