20818056

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{4273}}^1$

素因数の和:4318

約数の個数: 64

約数和(自身を含む): 61545600

約数和(自身を除く): 40727544

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 29, 42, 56, 58, 84, 87, 116, 168, 174, 203, 232, 348, 406, 609, 696, 812, 1218, 1624, 2436, 4273, 4872, 8546, 12819, 17092, 25638, 29911, 34184, 51276, 59822, 89733, 102552, 119644, 123917, 179466, 239288, 247834, 358932, 371751, 495668, 717864, 743502, 867419, 991336, 1487004, 1734838, 2602257, 2974008, 3469676, 5204514, 6939352, 10409028, 20818056]

約数ペア:

[(1, 20818056), (2, 10409028), (3, 6939352), (4, 5204514), (6, 3469676), (7, 2974008), (8, 2602257), (12, 1734838), (14, 1487004), (21, 991336), (24, 867419), (28, 743502), (29, 717864), (42, 495668), (56, 371751), (58, 358932), (84, 247834), (87, 239288), (116, 179466), (168, 123917), (174, 119644), (203, 102552), (232, 89733), (348, 59822), (406, 51276), (609, 34184), (696, 29911), (812, 25638), (1218, 17092), (1624, 12819), (2436, 8546), (4273, 4872)]