20756224

素因数分解:

$2^8\times {\mathrm{89}}^1\times {\mathrm{911}}^1$

素因数の和:1016

約数の個数: 36

約数和(自身を含む): 41942880

約数和(自身を除く): 21186656

約数列:

[1, 2, 4, 8, 16, 32, 64, 89, 128, 178, 256, 356, 712, 911, 1424, 1822, 2848, 3644, 5696, 7288, 11392, 14576, 22784, 29152, 58304, 81079, 116608, 162158, 233216, 324316, 648632, 1297264, 2594528, 5189056, 10378112, 20756224]

約数ペア:

[(1, 20756224), (2, 10378112), (4, 5189056), (8, 2594528), (16, 1297264), (32, 648632), (64, 324316), (89, 233216), (128, 162158), (178, 116608), (256, 81079), (356, 58304), (712, 29152), (911, 22784), (1424, 14576), (1822, 11392), (2848, 7288), (3644, 5696)]