20415264

素因数分解:

$2^5\times 3^1\times {\mathrm{109}}^1\times {\mathrm{1951}}^1$

素因数の和:2073

約数の個数: 48

約数和(自身を含む): 54109440

約数和(自身を除く): 33694176

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 109, 218, 327, 436, 654, 872, 1308, 1744, 1951, 2616, 3488, 3902, 5232, 5853, 7804, 10464, 11706, 15608, 23412, 31216, 46824, 62432, 93648, 187296, 212659, 425318, 637977, 850636, 1275954, 1701272, 2551908, 3402544, 5103816, 6805088, 10207632, 20415264]

約数ペア:

[(1, 20415264), (2, 10207632), (3, 6805088), (4, 5103816), (6, 3402544), (8, 2551908), (12, 1701272), (16, 1275954), (24, 850636), (32, 637977), (48, 425318), (96, 212659), (109, 187296), (218, 93648), (327, 62432), (436, 46824), (654, 31216), (872, 23412), (1308, 15608), (1744, 11706), (1951, 10464), (2616, 7804), (3488, 5853), (3902, 5232)]