20045035521

素因数分解:

$3^3\times 7^1\times {\mathrm{13339}}^1\times {\mathrm{7951}}^1$

素因数の和:21306

約数の個数: 32

約数和(自身を含む): 33945497600

約数和(自身を除く): 13900462079

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 7951, 13339, 23853, 40017, 55657, 71559, 93373, 120051, 166971, 214677, 280119, 360153, 500913, 840357, 1502739, 2521071, 106058389, 318175167, 742408723, 954525501, 2227226169, 2863576503, 6681678507, 20045035521]

約数ペア:

[(1, 20045035521), (3, 6681678507), (7, 2863576503), (9, 2227226169), (21, 954525501), (27, 742408723), (63, 318175167), (189, 106058389), (7951, 2521071), (13339, 1502739), (23853, 840357), (40017, 500913), (55657, 360153), (71559, 280119), (93373, 214677), (120051, 166971)]