20262588

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{491}}^1$

素因数の和:698

約数の個数: 48

約数和(自身を含む): 50144640

約数和(自身を除く): 29882052

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 181, 228, 362, 491, 543, 724, 982, 1086, 1473, 1964, 2172, 2946, 3439, 5892, 6878, 9329, 10317, 13756, 18658, 20634, 27987, 37316, 41268, 55974, 88871, 111948, 177742, 266613, 355484, 533226, 1066452, 1688549, 3377098, 5065647, 6754196, 10131294, 20262588]

約数ペア:

[(1, 20262588), (2, 10131294), (3, 6754196), (4, 5065647), (6, 3377098), (12, 1688549), (19, 1066452), (38, 533226), (57, 355484), (76, 266613), (114, 177742), (181, 111948), (228, 88871), (362, 55974), (491, 41268), (543, 37316), (724, 27987), (982, 20634), (1086, 18658), (1473, 13756), (1964, 10317), (2172, 9329), (2946, 6878), (3439, 5892)]