20361780

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{12569}}^1$

素因数の和:12590

約数の個数: 60

約数和(自身を含む): 63880740

約数和(自身を除く): 43518960

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 12569, 25138, 37707, 50276, 62845, 75414, 113121, 125690, 150828, 188535, 226242, 251380, 339363, 377070, 452484, 565605, 678726, 754140, 1018089, 1131210, 1357452, 1696815, 2036178, 2262420, 3393630, 4072356, 5090445, 6787260, 10180890, 20361780]

約数ペア:

[(1, 20361780), (2, 10180890), (3, 6787260), (4, 5090445), (5, 4072356), (6, 3393630), (9, 2262420), (10, 2036178), (12, 1696815), (15, 1357452), (18, 1131210), (20, 1018089), (27, 754140), (30, 678726), (36, 565605), (45, 452484), (54, 377070), (60, 339363), (81, 251380), (90, 226242), (108, 188535), (135, 150828), (162, 125690), (180, 113121), (270, 75414), (324, 62845), (405, 50276), (540, 37707), (810, 25138), (1620, 12569)]