20512946476

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{1277}}^1\times {\mathrm{2017}}^1$

素因数の和:3490

約数の個数: 48

約数和(自身を含む): 39427813152

約数和(自身を除く): 18914866676

約数列:

[1, 2, 4, 11, 22, 44, 181, 362, 724, 1277, 1991, 2017, 2554, 3982, 4034, 5108, 7964, 8068, 14047, 22187, 28094, 44374, 56188, 88748, 231137, 365077, 462274, 730154, 924548, 1460308, 2542507, 2575709, 4015847, 5085014, 5151418, 8031694, 10170028, 10302836, 16063388, 28332799, 56665598, 113331196, 466203329, 932406658, 1864813316, 5128236619, 10256473238, 20512946476]

約数ペア:

[(1, 20512946476), (2, 10256473238), (4, 5128236619), (11, 1864813316), (22, 932406658), (44, 466203329), (181, 113331196), (362, 56665598), (724, 28332799), (1277, 16063388), (1991, 10302836), (2017, 10170028), (2554, 8031694), (3982, 5151418), (4034, 5085014), (5108, 4015847), (7964, 2575709), (8068, 2542507), (14047, 1460308), (22187, 924548), (28094, 730154), (44374, 462274), (56188, 365077), (88748, 231137)]