20352928

素因数分解:

$2^5\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:269

約数の個数: 48

約数和(自身を含む): 41489280

約数和(自身を除く): 21136352

約数列:

[1, 2, 4, 8, 16, 32, 79, 83, 97, 158, 166, 194, 316, 332, 388, 632, 664, 776, 1264, 1328, 1552, 2528, 2656, 3104, 6557, 7663, 8051, 13114, 15326, 16102, 26228, 30652, 32204, 52456, 61304, 64408, 104912, 122608, 128816, 209824, 245216, 257632, 636029, 1272058, 2544116, 5088232, 10176464, 20352928]

約数ペア:

[(1, 20352928), (2, 10176464), (4, 5088232), (8, 2544116), (16, 1272058), (32, 636029), (79, 257632), (83, 245216), (97, 209824), (158, 128816), (166, 122608), (194, 104912), (316, 64408), (332, 61304), (388, 52456), (632, 32204), (664, 30652), (776, 26228), (1264, 16102), (1328, 15326), (1552, 13114), (2528, 8051), (2656, 7663), (3104, 6557)]