20406208

素因数分解:

$2^6\times {\mathrm{61}}^1\times {\mathrm{5227}}^1$

素因数の和:5300

約数の個数: 28

約数和(自身を含む): 41165272

約数和(自身を除く): 20759064

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 244, 488, 976, 1952, 3904, 5227, 10454, 20908, 41816, 83632, 167264, 318847, 334528, 637694, 1275388, 2550776, 5101552, 10203104, 20406208]

約数ペア:

[(1, 20406208), (2, 10203104), (4, 5101552), (8, 2550776), (16, 1275388), (32, 637694), (61, 334528), (64, 318847), (122, 167264), (244, 83632), (488, 41816), (976, 20908), (1952, 10454), (3904, 5227)]