20045603968

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{1901}}^1\times {\mathrm{6337}}^1$

素因数の和:8265

約数の個数: 64

約数和(自身を含む): 43035907320

約数和(自身を除く): 22990303352

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 1901, 3802, 6337, 7604, 12674, 15208, 24713, 25348, 30416, 49426, 50696, 60832, 82381, 98852, 101392, 121664, 164762, 197704, 202784, 243328, 329524, 395408, 405568, 659048, 790816, 811136, 1318096, 1581632, 2636192, 3163264, 5272384, 10544768, 12046637, 24093274, 48186548, 96373096, 156606281, 192746192, 313212562, 385492384, 626425124, 770984768, 1252850248, 1541969536, 2505700496, 5011400992, 10022801984, 20045603968]

約数ペア:

[(1, 20045603968), (2, 10022801984), (4, 5011400992), (8, 2505700496), (13, 1541969536), (16, 1252850248), (26, 770984768), (32, 626425124), (52, 385492384), (64, 313212562), (104, 192746192), (128, 156606281), (208, 96373096), (416, 48186548), (832, 24093274), (1664, 12046637), (1901, 10544768), (3802, 5272384), (6337, 3163264), (7604, 2636192), (12674, 1581632), (15208, 1318096), (24713, 811136), (25348, 790816), (30416, 659048), (49426, 405568), (50696, 395408), (60832, 329524), (82381, 243328), (98852, 202784), (101392, 197704), (121664, 164762)]