20573091

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{4241}}^1$

素因数の和:4272

約数の個数: 36

約数和(自身を含む): 37719864

約数和(自身を除く): 17146773

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 147, 231, 441, 539, 693, 1617, 4241, 4851, 12723, 29687, 38169, 46651, 89061, 139953, 207809, 267183, 326557, 419859, 623427, 979671, 1870281, 2285899, 2939013, 6857697, 20573091]

約数ペア:

[(1, 20573091), (3, 6857697), (7, 2939013), (9, 2285899), (11, 1870281), (21, 979671), (33, 623427), (49, 419859), (63, 326557), (77, 267183), (99, 207809), (147, 139953), (231, 89061), (441, 46651), (539, 38169), (693, 29687), (1617, 12723), (4241, 4851)]