20292256

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{349}}^1$

素因数の和:461

約数の個数: 48

約数和(自身を含む): 42336000

約数和(自身を除く): 22043744

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 79, 92, 158, 184, 316, 349, 368, 632, 698, 736, 1264, 1396, 1817, 2528, 2792, 3634, 5584, 7268, 8027, 11168, 14536, 16054, 27571, 29072, 32108, 55142, 58144, 64216, 110284, 128432, 220568, 256864, 441136, 634133, 882272, 1268266, 2536532, 5073064, 10146128, 20292256]

約数ペア:

[(1, 20292256), (2, 10146128), (4, 5073064), (8, 2536532), (16, 1268266), (23, 882272), (32, 634133), (46, 441136), (79, 256864), (92, 220568), (158, 128432), (184, 110284), (316, 64216), (349, 58144), (368, 55142), (632, 32108), (698, 29072), (736, 27571), (1264, 16054), (1396, 14536), (1817, 11168), (2528, 8027), (2792, 7268), (3634, 5584)]