20793840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3767}}^1$

素因数の和:3806

約数の個数: 80

約数和(自身を含む): 67281408

約数和(自身を除く): 46487568

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 552, 690, 920, 1104, 1380, 1840, 2760, 3767, 5520, 7534, 11301, 15068, 18835, 22602, 30136, 37670, 45204, 56505, 60272, 75340, 86641, 90408, 113010, 150680, 173282, 180816, 226020, 259923, 301360, 346564, 433205, 452040, 519846, 693128, 866410, 904080, 1039692, 1299615, 1386256, 1732820, 2079384, 2599230, 3465640, 4158768, 5198460, 6931280, 10396920, 20793840]

約数ペア:

[(1, 20793840), (2, 10396920), (3, 6931280), (4, 5198460), (5, 4158768), (6, 3465640), (8, 2599230), (10, 2079384), (12, 1732820), (15, 1386256), (16, 1299615), (20, 1039692), (23, 904080), (24, 866410), (30, 693128), (40, 519846), (46, 452040), (48, 433205), (60, 346564), (69, 301360), (80, 259923), (92, 226020), (115, 180816), (120, 173282), (138, 150680), (184, 113010), (230, 90408), (240, 86641), (276, 75340), (345, 60272), (368, 56505), (460, 45204), (552, 37670), (690, 30136), (920, 22602), (1104, 18835), (1380, 15068), (1840, 11301), (2760, 7534), (3767, 5520)]