20737233

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 35043840

約数和(自身を除く): 14306607

約数列:

[1, 3, 9, 11, 29, 31, 33, 87, 93, 99, 233, 261, 279, 319, 341, 699, 899, 957, 1023, 2097, 2563, 2697, 2871, 3069, 6757, 7223, 7689, 8091, 9889, 20271, 21669, 23067, 29667, 60813, 65007, 74327, 79453, 89001, 209467, 222981, 238359, 628401, 668943, 715077, 1885203, 2304137, 6912411, 20737233]

約数ペア:

[(1, 20737233), (3, 6912411), (9, 2304137), (11, 1885203), (29, 715077), (31, 668943), (33, 628401), (87, 238359), (93, 222981), (99, 209467), (233, 89001), (261, 79453), (279, 74327), (319, 65007), (341, 60813), (699, 29667), (899, 23067), (957, 21669), (1023, 20271), (2097, 9889), (2563, 8091), (2697, 7689), (2871, 7223), (3069, 6757)]