20488170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{1291}}^1$

素因数の和:1347

約数の個数: 48

約数和(自身を含む): 51442272

約数和(自身を除く): 30954102

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 529, 690, 1058, 1291, 1587, 2582, 2645, 3174, 3873, 5290, 6455, 7746, 7935, 12910, 15870, 19365, 29693, 38730, 59386, 89079, 148465, 178158, 296930, 445395, 682939, 890790, 1365878, 2048817, 3414695, 4097634, 6829390, 10244085, 20488170]

約数ペア:

[(1, 20488170), (2, 10244085), (3, 6829390), (5, 4097634), (6, 3414695), (10, 2048817), (15, 1365878), (23, 890790), (30, 682939), (46, 445395), (69, 296930), (115, 178158), (138, 148465), (230, 89079), (345, 59386), (529, 38730), (690, 29693), (1058, 19365), (1291, 15870), (1587, 12910), (2582, 7935), (2645, 7746), (3174, 6455), (3873, 5290)]