20880432

素因数分解:

$2^4\times 3^2\times {\mathrm{37}}^1\times {\mathrm{3919}}^1$

素因数の和:3970

約数の個数: 60

約数和(自身を含む): 60030880

約数和(自身を除く): 39150448

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 37, 48, 72, 74, 111, 144, 148, 222, 296, 333, 444, 592, 666, 888, 1332, 1776, 2664, 3919, 5328, 7838, 11757, 15676, 23514, 31352, 35271, 47028, 62704, 70542, 94056, 141084, 145003, 188112, 282168, 290006, 435009, 564336, 580012, 870018, 1160024, 1305027, 1740036, 2320048, 2610054, 3480072, 5220108, 6960144, 10440216, 20880432]

約数ペア:

[(1, 20880432), (2, 10440216), (3, 6960144), (4, 5220108), (6, 3480072), (8, 2610054), (9, 2320048), (12, 1740036), (16, 1305027), (18, 1160024), (24, 870018), (36, 580012), (37, 564336), (48, 435009), (72, 290006), (74, 282168), (111, 188112), (144, 145003), (148, 141084), (222, 94056), (296, 70542), (333, 62704), (444, 47028), (592, 35271), (666, 31352), (888, 23514), (1332, 15676), (1776, 11757), (2664, 7838), (3919, 5328)]