20122031840

素因数分解:

$2^5\times 5^1\times {\mathrm{271}}^1\times {\mathrm{464069}}^1$

素因数の和:464355

約数の個数: 48

約数和(自身を含む): 47713821120

約数和(自身を除く): 27591789280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 271, 542, 1084, 1355, 2168, 2710, 4336, 5420, 8672, 10840, 21680, 43360, 464069, 928138, 1856276, 2320345, 3712552, 4640690, 7425104, 9281380, 14850208, 18562760, 37125520, 74251040, 125762699, 251525398, 503050796, 628813495, 1006101592, 1257626990, 2012203184, 2515253980, 4024406368, 5030507960, 10061015920, 20122031840]

約数ペア:

[(1, 20122031840), (2, 10061015920), (4, 5030507960), (5, 4024406368), (8, 2515253980), (10, 2012203184), (16, 1257626990), (20, 1006101592), (32, 628813495), (40, 503050796), (80, 251525398), (160, 125762699), (271, 74251040), (542, 37125520), (1084, 18562760), (1355, 14850208), (2168, 9281380), (2710, 7425104), (4336, 4640690), (5420, 3712552), (8672, 2320345), (10840, 1856276), (21680, 928138), (43360, 464069)]