20137425

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{317}}^1$

素因数の和:359

約数の個数: 72

約数和(自身を含む): 41955648

約数和(自身を除く): 21818223

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 55, 75, 77, 105, 121, 165, 175, 231, 275, 317, 363, 385, 525, 605, 825, 847, 951, 1155, 1585, 1815, 1925, 2219, 2541, 3025, 3487, 4235, 4755, 5775, 6657, 7925, 9075, 10461, 11095, 12705, 17435, 21175, 23775, 24409, 33285, 38357, 52305, 55475, 63525, 73227, 87175, 115071, 122045, 166425, 191785, 261525, 268499, 366135, 575355, 610225, 805497, 958925, 1342495, 1830675, 2876775, 4027485, 6712475, 20137425]

約数ペア:

[(1, 20137425), (3, 6712475), (5, 4027485), (7, 2876775), (11, 1830675), (15, 1342495), (21, 958925), (25, 805497), (33, 610225), (35, 575355), (55, 366135), (75, 268499), (77, 261525), (105, 191785), (121, 166425), (165, 122045), (175, 115071), (231, 87175), (275, 73227), (317, 63525), (363, 55475), (385, 52305), (525, 38357), (605, 33285), (825, 24409), (847, 23775), (951, 21175), (1155, 17435), (1585, 12705), (1815, 11095), (1925, 10461), (2219, 9075), (2541, 7925), (3025, 6657), (3487, 5775), (4235, 4755)]