15940147220

素因数分解:

$2^2\times 5^1\times {\mathrm{1787}}^1\times {\mathrm{446003}}^1$

素因数の和:447799

約数の個数: 24

約数和(自身を含む): 33493116384

約数和(自身を除く): 17552969164

約数列:

[1, 2, 4, 5, 10, 20, 1787, 3574, 7148, 8935, 17870, 35740, 446003, 892006, 1784012, 2230015, 4460030, 8920060, 797007361, 1594014722, 3188029444, 3985036805, 7970073610, 15940147220]

約数ペア:

[(1, 15940147220), (2, 7970073610), (4, 3985036805), (5, 3188029444), (10, 1594014722), (20, 797007361), (1787, 8920060), (3574, 4460030), (7148, 2230015), (8935, 1784012), (17870, 892006), (35740, 446003)]