20173971245

素因数分解:

$5^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{263}}^1\times {\mathrm{1451}}^1$

素因数の和:1925

約数の個数: 32

約数和(自身を含む): 24793655040

約数和(自身を除く): 4619683795

約数列:

[1, 5, 97, 109, 263, 485, 545, 1315, 1451, 7255, 10573, 25511, 28667, 52865, 127555, 140747, 143335, 158159, 381613, 703735, 790795, 1908065, 2780699, 13903495, 15341423, 37016461, 41595817, 76707115, 185082305, 207979085, 4034794249, 20173971245]

約数ペア:

[(1, 20173971245), (5, 4034794249), (97, 207979085), (109, 185082305), (263, 76707115), (485, 41595817), (545, 37016461), (1315, 15341423), (1451, 13903495), (7255, 2780699), (10573, 1908065), (25511, 790795), (28667, 703735), (52865, 381613), (127555, 158159), (140747, 143335)]