20147830

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{631}}^1$

素因数の和:772

約数の個数: 32

約数和(自身を含む): 37859328

約数和(自身を除く): 17711498

約数列:

[1, 2, 5, 10, 31, 62, 103, 155, 206, 310, 515, 631, 1030, 1262, 3155, 3193, 6310, 6386, 15965, 19561, 31930, 39122, 64993, 97805, 129986, 195610, 324965, 649930, 2014783, 4029566, 10073915, 20147830]

約数ペア:

[(1, 20147830), (2, 10073915), (5, 4029566), (10, 2014783), (31, 649930), (62, 324965), (103, 195610), (155, 129986), (206, 97805), (310, 64993), (515, 39122), (631, 31930), (1030, 19561), (1262, 15965), (3155, 6386), (3193, 6310)]