20120681686

素因数分解:

$2^1\times 7^1\times {\mathrm{1291}}^1\times {\mathrm{1113239}}^1$

素因数の和:1114539

約数の個数: 16

約数和(自身を含む): 34519345920

約数和(自身を除く): 14398664234

約数列:

[1, 2, 7, 14, 1291, 2582, 9037, 18074, 1113239, 2226478, 7792673, 15585346, 1437191549, 2874383098, 10060340843, 20120681686]

約数ペア:

[(1, 20120681686), (2, 10060340843), (7, 2874383098), (14, 1437191549), (1291, 15585346), (2582, 7792673), (9037, 2226478), (18074, 1113239)]