20072690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{313}}^1$

素因数の和:395

約数の個数: 48

約数和(自身を含む): 40592664

約数和(自身を除く): 20519974

約数列:

[1, 2, 5, 10, 11, 22, 53, 55, 106, 110, 121, 242, 265, 313, 530, 583, 605, 626, 1166, 1210, 1565, 2915, 3130, 3443, 5830, 6413, 6886, 12826, 16589, 17215, 32065, 33178, 34430, 37873, 64130, 75746, 82945, 165890, 182479, 189365, 364958, 378730, 912395, 1824790, 2007269, 4014538, 10036345, 20072690]

約数ペア:

[(1, 20072690), (2, 10036345), (5, 4014538), (10, 2007269), (11, 1824790), (22, 912395), (53, 378730), (55, 364958), (106, 189365), (110, 182479), (121, 165890), (242, 82945), (265, 75746), (313, 64130), (530, 37873), (583, 34430), (605, 33178), (626, 32065), (1166, 17215), (1210, 16589), (1565, 12826), (2915, 6886), (3130, 6413), (3443, 5830)]