20415304

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{967}}^1$

素因数の和:1022

約数の個数: 64

約数和(自身を含む): 48787200

約数和(自身を除く): 28371896

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 29, 52, 56, 58, 91, 104, 116, 182, 203, 232, 364, 377, 406, 728, 754, 812, 967, 1508, 1624, 1934, 2639, 3016, 3868, 5278, 6769, 7736, 10556, 12571, 13538, 21112, 25142, 27076, 28043, 50284, 54152, 56086, 87997, 100568, 112172, 175994, 196301, 224344, 351988, 364559, 392602, 703976, 729118, 785204, 1458236, 1570408, 2551913, 2916472, 5103826, 10207652, 20415304]

約数ペア:

[(1, 20415304), (2, 10207652), (4, 5103826), (7, 2916472), (8, 2551913), (13, 1570408), (14, 1458236), (26, 785204), (28, 729118), (29, 703976), (52, 392602), (56, 364559), (58, 351988), (91, 224344), (104, 196301), (116, 175994), (182, 112172), (203, 100568), (232, 87997), (364, 56086), (377, 54152), (406, 50284), (728, 28043), (754, 27076), (812, 25142), (967, 21112), (1508, 13538), (1624, 12571), (1934, 10556), (2639, 7736), (3016, 6769), (3868, 5278)]