20355136

素因数分解:

$2^6\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:227

約数の個数: 56

約数和(自身を含む): 42281856

約数和(自身を除く): 21926720

約数列:

[1, 2, 4, 8, 16, 32, 47, 64, 67, 94, 101, 134, 188, 202, 268, 376, 404, 536, 752, 808, 1072, 1504, 1616, 2144, 3008, 3149, 3232, 4288, 4747, 6298, 6464, 6767, 9494, 12596, 13534, 18988, 25192, 27068, 37976, 50384, 54136, 75952, 100768, 108272, 151904, 201536, 216544, 303808, 318049, 433088, 636098, 1272196, 2544392, 5088784, 10177568, 20355136]

約数ペア:

[(1, 20355136), (2, 10177568), (4, 5088784), (8, 2544392), (16, 1272196), (32, 636098), (47, 433088), (64, 318049), (67, 303808), (94, 216544), (101, 201536), (134, 151904), (188, 108272), (202, 100768), (268, 75952), (376, 54136), (404, 50384), (536, 37976), (752, 27068), (808, 25192), (1072, 18988), (1504, 13534), (1616, 12596), (2144, 9494), (3008, 6767), (3149, 6464), (3232, 6298), (4288, 4747)]