20444040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{521}}^1$

素因数の和:647

約数の個数: 96

約数和(自身を含む): 67181400

約数和(自身を除く): 46737360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 109, 120, 180, 218, 327, 360, 436, 521, 545, 654, 872, 981, 1042, 1090, 1308, 1563, 1635, 1962, 2084, 2180, 2605, 2616, 3126, 3270, 3924, 4168, 4360, 4689, 4905, 5210, 6252, 6540, 7815, 7848, 9378, 9810, 10420, 12504, 13080, 15630, 18756, 19620, 20840, 23445, 31260, 37512, 39240, 46890, 56789, 62520, 93780, 113578, 170367, 187560, 227156, 283945, 340734, 454312, 511101, 567890, 681468, 851835, 1022202, 1135780, 1362936, 1703670, 2044404, 2271560, 2555505, 3407340, 4088808, 5111010, 6814680, 10222020, 20444040]

約数ペア:

[(1, 20444040), (2, 10222020), (3, 6814680), (4, 5111010), (5, 4088808), (6, 3407340), (8, 2555505), (9, 2271560), (10, 2044404), (12, 1703670), (15, 1362936), (18, 1135780), (20, 1022202), (24, 851835), (30, 681468), (36, 567890), (40, 511101), (45, 454312), (60, 340734), (72, 283945), (90, 227156), (109, 187560), (120, 170367), (180, 113578), (218, 93780), (327, 62520), (360, 56789), (436, 46890), (521, 39240), (545, 37512), (654, 31260), (872, 23445), (981, 20840), (1042, 19620), (1090, 18756), (1308, 15630), (1563, 13080), (1635, 12504), (1962, 10420), (2084, 9810), (2180, 9378), (2605, 7848), (2616, 7815), (3126, 6540), (3270, 6252), (3924, 5210), (4168, 4905), (4360, 4689)]