20127743992

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{409}}^1\times {\mathrm{3767}}^1$

素因数の和:4276

約数の個数: 64

約数和(自身を含む): 40043289600

約数和(自身を除く): 19915545608

約数列:

[1, 2, 4, 8, 23, 46, 71, 92, 142, 184, 284, 409, 568, 818, 1633, 1636, 3266, 3272, 3767, 6532, 7534, 9407, 13064, 15068, 18814, 29039, 30136, 37628, 58078, 75256, 86641, 116156, 173282, 232312, 267457, 346564, 534914, 667897, 693128, 1069828, 1335794, 1540703, 2139656, 2671588, 3081406, 5343176, 6151511, 6162812, 12303022, 12325624, 24606044, 35436169, 49212088, 70872338, 109389913, 141744676, 218779826, 283489352, 437559652, 875119304, 2515967999, 5031935998, 10063871996, 20127743992]

約数ペア:

[(1, 20127743992), (2, 10063871996), (4, 5031935998), (8, 2515967999), (23, 875119304), (46, 437559652), (71, 283489352), (92, 218779826), (142, 141744676), (184, 109389913), (284, 70872338), (409, 49212088), (568, 35436169), (818, 24606044), (1633, 12325624), (1636, 12303022), (3266, 6162812), (3272, 6151511), (3767, 5343176), (6532, 3081406), (7534, 2671588), (9407, 2139656), (13064, 1540703), (15068, 1335794), (18814, 1069828), (29039, 693128), (30136, 667897), (37628, 534914), (58078, 346564), (75256, 267457), (86641, 232312), (116156, 173282)]