20007341872

素因数分解:

$2^4\times 7^1\times {\mathrm{569}}^1\times {\mathrm{313949}}^1$

素因数の和:314533

約数の個数: 40

約数和(自身を含む): 44379972000

約数和(自身を除く): 24372630128

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 569, 1138, 2276, 3983, 4552, 7966, 9104, 15932, 31864, 63728, 313949, 627898, 1255796, 2197643, 2511592, 4395286, 5023184, 8790572, 17581144, 35162288, 178636981, 357273962, 714547924, 1250458867, 1429095848, 2500917734, 2858191696, 5001835468, 10003670936, 20007341872]

約数ペア:

[(1, 20007341872), (2, 10003670936), (4, 5001835468), (7, 2858191696), (8, 2500917734), (14, 1429095848), (16, 1250458867), (28, 714547924), (56, 357273962), (112, 178636981), (569, 35162288), (1138, 17581144), (2276, 8790572), (3983, 5023184), (4552, 4395286), (7966, 2511592), (9104, 2197643), (15932, 1255796), (31864, 627898), (63728, 313949)]