20804916392

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{2441}}^1\times {\mathrm{81953}}^1$

素因数の和:84413

約数の個数: 32

約数和(自身を含む): 42027650280

約数和(自身を除く): 21222733888

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 2441, 4882, 9764, 19528, 31733, 63466, 81953, 126932, 163906, 253864, 327812, 655624, 1065389, 2130778, 4261556, 8523112, 200047273, 400094546, 800189092, 1600378184, 2600614549, 5201229098, 10402458196, 20804916392]

約数ペア:

[(1, 20804916392), (2, 10402458196), (4, 5201229098), (8, 2600614549), (13, 1600378184), (26, 800189092), (52, 400094546), (104, 200047273), (2441, 8523112), (4882, 4261556), (9764, 2130778), (19528, 1065389), (31733, 655624), (63466, 327812), (81953, 253864), (126932, 163906)]