20974728

素因数分解:

$2^3\times 3^1\times {\mathrm{61}}^1\times {\mathrm{14327}}^1$

素因数の和:14397

約数の個数: 32

約数和(自身を含む): 53300160

約数和(自身を除く): 32325432

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 61, 122, 183, 244, 366, 488, 732, 1464, 14327, 28654, 42981, 57308, 85962, 114616, 171924, 343848, 873947, 1747894, 2621841, 3495788, 5243682, 6991576, 10487364, 20974728]

約数ペア:

[(1, 20974728), (2, 10487364), (3, 6991576), (4, 5243682), (6, 3495788), (8, 2621841), (12, 1747894), (24, 873947), (61, 343848), (122, 171924), (183, 114616), (244, 85962), (366, 57308), (488, 42981), (732, 28654), (1464, 14327)]