20178391808

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{4636579}}^1$

素因数の和:4636612

約数の個数: 36

約数和(自身を含む): 42647262840

約数和(自身を除く): 22468871032

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 544, 1088, 2176, 4352, 4636579, 9273158, 18546316, 37092632, 74185264, 78821843, 148370528, 157643686, 296741056, 315287372, 593482112, 630574744, 1186964224, 1261149488, 2522298976, 5044597952, 10089195904, 20178391808]

約数ペア:

[(1, 20178391808), (2, 10089195904), (4, 5044597952), (8, 2522298976), (16, 1261149488), (17, 1186964224), (32, 630574744), (34, 593482112), (64, 315287372), (68, 296741056), (128, 157643686), (136, 148370528), (256, 78821843), (272, 74185264), (544, 37092632), (1088, 18546316), (2176, 9273158), (4352, 4636579)]