20724708

素因数分解:

$2^2\times 3^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{173}}^1$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 49694400

約数和(自身を除く): 28969692

約数列:

[1, 2, 3, 4, 6, 12, 67, 134, 149, 173, 201, 268, 298, 346, 402, 447, 519, 596, 692, 804, 894, 1038, 1788, 2076, 9983, 11591, 19966, 23182, 25777, 29949, 34773, 39932, 46364, 51554, 59898, 69546, 77331, 103108, 119796, 139092, 154662, 309324, 1727059, 3454118, 5181177, 6908236, 10362354, 20724708]

約数ペア:

[(1, 20724708), (2, 10362354), (3, 6908236), (4, 5181177), (6, 3454118), (12, 1727059), (67, 309324), (134, 154662), (149, 139092), (173, 119796), (201, 103108), (268, 77331), (298, 69546), (346, 59898), (402, 51554), (447, 46364), (519, 39932), (596, 34773), (692, 29949), (804, 25777), (894, 23182), (1038, 19966), (1788, 11591), (2076, 9983)]