20642472

素因数分解:

$2^3\times 3^3\times {\mathrm{227}}^1\times {\mathrm{421}}^1$

素因数の和:663

約数の個数: 64

約数和(自身を含む): 57729600

約数和(自身を除く): 37087128

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 227, 421, 454, 681, 842, 908, 1263, 1362, 1684, 1816, 2043, 2526, 2724, 3368, 3789, 4086, 5052, 5448, 6129, 7578, 8172, 10104, 11367, 12258, 15156, 16344, 22734, 24516, 30312, 45468, 49032, 90936, 95567, 191134, 286701, 382268, 573402, 764536, 860103, 1146804, 1720206, 2293608, 2580309, 3440412, 5160618, 6880824, 10321236, 20642472]

約数ペア:

[(1, 20642472), (2, 10321236), (3, 6880824), (4, 5160618), (6, 3440412), (8, 2580309), (9, 2293608), (12, 1720206), (18, 1146804), (24, 860103), (27, 764536), (36, 573402), (54, 382268), (72, 286701), (108, 191134), (216, 95567), (227, 90936), (421, 49032), (454, 45468), (681, 30312), (842, 24516), (908, 22734), (1263, 16344), (1362, 15156), (1684, 12258), (1816, 11367), (2043, 10104), (2526, 8172), (2724, 7578), (3368, 6129), (3789, 5448), (4086, 5052)]