20161296272

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1167823}}^1$

素因数の和:1167927

約数の個数: 40

約数和(自身を含む): 42574191744

約数和(自身を除く): 22412895472

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 83, 104, 166, 208, 332, 664, 1079, 1328, 2158, 4316, 8632, 17264, 1167823, 2335646, 4671292, 9342584, 15181699, 18685168, 30363398, 60726796, 96929309, 121453592, 193858618, 242907184, 387717236, 775434472, 1260081017, 1550868944, 2520162034, 5040324068, 10080648136, 20161296272]

約数ペア:

[(1, 20161296272), (2, 10080648136), (4, 5040324068), (8, 2520162034), (13, 1550868944), (16, 1260081017), (26, 775434472), (52, 387717236), (83, 242907184), (104, 193858618), (166, 121453592), (208, 96929309), (332, 60726796), (664, 30363398), (1079, 18685168), (1328, 15181699), (2158, 9342584), (4316, 4671292), (8632, 2335646), (17264, 1167823)]