20121013504

素因数分解:

$2^8\times {\mathrm{1087}}^1\times {\mathrm{72307}}^1$

素因数の和:73410

約数の個数: 36

約数和(自身を含む): 40200934144

約数和(自身を除く): 20079920640

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 1087, 2174, 4348, 8696, 17392, 34784, 69568, 72307, 139136, 144614, 278272, 289228, 578456, 1156912, 2313824, 4627648, 9255296, 18510592, 78597709, 157195418, 314390836, 628781672, 1257563344, 2515126688, 5030253376, 10060506752, 20121013504]

約数ペア:

[(1, 20121013504), (2, 10060506752), (4, 5030253376), (8, 2515126688), (16, 1257563344), (32, 628781672), (64, 314390836), (128, 157195418), (256, 78597709), (1087, 18510592), (2174, 9255296), (4348, 4627648), (8696, 2313824), (17392, 1156912), (34784, 578456), (69568, 289228), (72307, 278272), (139136, 144614)]