20090862025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1\times {\mathrm{6007}}^1$

素因数の和:6322

約数の個数: 48

約数和(自身を含む): 27597483648

約数和(自身を除く): 7506621623

約数列:

[1, 5, 13, 25, 41, 65, 205, 251, 325, 533, 1025, 1255, 2665, 3263, 6007, 6275, 10291, 13325, 16315, 30035, 51455, 78091, 81575, 133783, 150175, 246287, 257275, 390455, 668915, 1231435, 1507757, 1952275, 3201731, 3344575, 6157175, 7538785, 16008655, 19600841, 37693925, 61818037, 80043275, 98004205, 309090185, 490021025, 803634481, 1545450925, 4018172405, 20090862025]

約数ペア:

[(1, 20090862025), (5, 4018172405), (13, 1545450925), (25, 803634481), (41, 490021025), (65, 309090185), (205, 98004205), (251, 80043275), (325, 61818037), (533, 37693925), (1025, 19600841), (1255, 16008655), (2665, 7538785), (3263, 6157175), (6007, 3344575), (6275, 3201731), (10291, 1952275), (13325, 1507757), (16315, 1231435), (30035, 668915), (51455, 390455), (78091, 257275), (81575, 246287), (133783, 150175)]