20839320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{541}}^1$

素因数の和:665

約数の個数: 96

約数和(自身を含む): 68487120

約数和(自身を除く): 47647800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 107, 120, 180, 214, 321, 360, 428, 535, 541, 642, 856, 963, 1070, 1082, 1284, 1605, 1623, 1926, 2140, 2164, 2568, 2705, 3210, 3246, 3852, 4280, 4328, 4815, 4869, 5410, 6420, 6492, 7704, 8115, 9630, 9738, 10820, 12840, 12984, 16230, 19260, 19476, 21640, 24345, 32460, 38520, 38952, 48690, 57887, 64920, 97380, 115774, 173661, 194760, 231548, 289435, 347322, 463096, 520983, 578870, 694644, 868305, 1041966, 1157740, 1389288, 1736610, 2083932, 2315480, 2604915, 3473220, 4167864, 5209830, 6946440, 10419660, 20839320]

約数ペア:

[(1, 20839320), (2, 10419660), (3, 6946440), (4, 5209830), (5, 4167864), (6, 3473220), (8, 2604915), (9, 2315480), (10, 2083932), (12, 1736610), (15, 1389288), (18, 1157740), (20, 1041966), (24, 868305), (30, 694644), (36, 578870), (40, 520983), (45, 463096), (60, 347322), (72, 289435), (90, 231548), (107, 194760), (120, 173661), (180, 115774), (214, 97380), (321, 64920), (360, 57887), (428, 48690), (535, 38952), (541, 38520), (642, 32460), (856, 24345), (963, 21640), (1070, 19476), (1082, 19260), (1284, 16230), (1605, 12984), (1623, 12840), (1926, 10820), (2140, 9738), (2164, 9630), (2568, 8115), (2705, 7704), (3210, 6492), (3246, 6420), (3852, 5410), (4280, 4869), (4328, 4815)]