20650616

素因数分解:

$2^3\times 7^1\times {\mathrm{499}}^1\times {\mathrm{739}}^1$

素因数の和:1251

約数の個数: 32

約数和(自身を含む): 44400000

約数和(自身を除く): 23749384

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 499, 739, 998, 1478, 1996, 2956, 3493, 3992, 5173, 5912, 6986, 10346, 13972, 20692, 27944, 41384, 368761, 737522, 1475044, 2581327, 2950088, 5162654, 10325308, 20650616]

約数ペア:

[(1, 20650616), (2, 10325308), (4, 5162654), (7, 2950088), (8, 2581327), (14, 1475044), (28, 737522), (56, 368761), (499, 41384), (739, 27944), (998, 20692), (1478, 13972), (1996, 10346), (2956, 6986), (3493, 5912), (3992, 5173)]