20730488870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{82241}}^1$

素因数の和:82545

約数の個数: 64

約数和(自身を含む): 46092364416

約数和(自身を除く): 25361875546

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 277, 455, 554, 910, 1385, 1939, 2770, 3601, 3878, 7202, 9695, 18005, 19390, 25207, 36010, 50414, 82241, 126035, 164482, 252070, 411205, 575687, 822410, 1069133, 1151374, 2138266, 2878435, 5345665, 5756870, 7483931, 10691330, 14967862, 22780757, 37419655, 45561514, 74839310, 113903785, 159465299, 227807570, 296149841, 318930598, 592299682, 797326495, 1480749205, 1594652990, 2073048887, 2961498410, 4146097774, 10365244435, 20730488870]

約数ペア:

[(1, 20730488870), (2, 10365244435), (5, 4146097774), (7, 2961498410), (10, 2073048887), (13, 1594652990), (14, 1480749205), (26, 797326495), (35, 592299682), (65, 318930598), (70, 296149841), (91, 227807570), (130, 159465299), (182, 113903785), (277, 74839310), (455, 45561514), (554, 37419655), (910, 22780757), (1385, 14967862), (1939, 10691330), (2770, 7483931), (3601, 5756870), (3878, 5345665), (7202, 2878435), (9695, 2138266), (18005, 1151374), (19390, 1069133), (25207, 822410), (36010, 575687), (50414, 411205), (82241, 252070), (126035, 164482)]