20134575

素因数分解:

$3^4\times 5^2\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:246

約数の個数: 60

約数和(自身を含む): 38140168

約数和(自身を除く): 18005593

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 61, 75, 81, 135, 163, 183, 225, 305, 405, 489, 549, 675, 815, 915, 1467, 1525, 1647, 2025, 2445, 2745, 4075, 4401, 4575, 4941, 7335, 8235, 9943, 12225, 13203, 13725, 22005, 24705, 29829, 36675, 41175, 49715, 66015, 89487, 110025, 123525, 149145, 248575, 268461, 330075, 447435, 745725, 805383, 1342305, 2237175, 4026915, 6711525, 20134575]

約数ペア:

[(1, 20134575), (3, 6711525), (5, 4026915), (9, 2237175), (15, 1342305), (25, 805383), (27, 745725), (45, 447435), (61, 330075), (75, 268461), (81, 248575), (135, 149145), (163, 123525), (183, 110025), (225, 89487), (305, 66015), (405, 49715), (489, 41175), (549, 36675), (675, 29829), (815, 24705), (915, 22005), (1467, 13725), (1525, 13203), (1647, 12225), (2025, 9943), (2445, 8235), (2745, 7335), (4075, 4941), (4401, 4575)]