20474058

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{563}}^1$

素因数の和:627

約数の個数: 64

約数和(自身を含む): 48729600

約数和(自身を除く): 28255542

約数列:

[1, 2, 3, 6, 11, 19, 22, 29, 33, 38, 57, 58, 66, 87, 114, 174, 209, 319, 418, 551, 563, 627, 638, 957, 1102, 1126, 1254, 1653, 1689, 1914, 3306, 3378, 6061, 6193, 10697, 12122, 12386, 16327, 18183, 18579, 21394, 32091, 32654, 36366, 37158, 48981, 64182, 97962, 117667, 179597, 235334, 310213, 353001, 359194, 538791, 620426, 706002, 930639, 1077582, 1861278, 3412343, 6824686, 10237029, 20474058]

約数ペア:

[(1, 20474058), (2, 10237029), (3, 6824686), (6, 3412343), (11, 1861278), (19, 1077582), (22, 930639), (29, 706002), (33, 620426), (38, 538791), (57, 359194), (58, 353001), (66, 310213), (87, 235334), (114, 179597), (174, 117667), (209, 97962), (319, 64182), (418, 48981), (551, 37158), (563, 36366), (627, 32654), (638, 32091), (957, 21394), (1102, 18579), (1126, 18183), (1254, 16327), (1653, 12386), (1689, 12122), (1914, 10697), (3306, 6193), (3378, 6061)]