20121557770

素因数分解:

$2^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{269}}^1\times {\mathrm{39163}}^1$

素因数の和:39630

約数の個数: 32

約数和(自身を含む): 36544711680

約数和(自身を除く): 16423153910

約数列:

[1, 2, 5, 10, 191, 269, 382, 538, 955, 1345, 1910, 2690, 39163, 51379, 78326, 102758, 195815, 256895, 391630, 513790, 7480133, 10534847, 14960266, 21069694, 37400665, 52674235, 74801330, 105348470, 2012155777, 4024311554, 10060778885, 20121557770]

約数ペア:

[(1, 20121557770), (2, 10060778885), (5, 4024311554), (10, 2012155777), (191, 105348470), (269, 74801330), (382, 52674235), (538, 37400665), (955, 21069694), (1345, 14960266), (1910, 10534847), (2690, 7480133), (39163, 513790), (51379, 391630), (78326, 256895), (102758, 195815)]