20195905920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{10518701}}^1$

素因数の和:10518723

約数の個数: 64

約数和(自身を含む): 64374456240

約数和(自身を除く): 44178550320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 10518701, 21037402, 31556103, 42074804, 52593505, 63112206, 84149608, 105187010, 126224412, 157780515, 168299216, 210374020, 252448824, 315561030, 336598432, 420748040, 504897648, 631122060, 673196864, 841496080, 1009795296, 1262244120, 1346393728, 1682992160, 2019590592, 2524488240, 3365984320, 4039181184, 5048976480, 6731968640, 10097952960, 20195905920]

約数ペア:

[(1, 20195905920), (2, 10097952960), (3, 6731968640), (4, 5048976480), (5, 4039181184), (6, 3365984320), (8, 2524488240), (10, 2019590592), (12, 1682992160), (15, 1346393728), (16, 1262244120), (20, 1009795296), (24, 841496080), (30, 673196864), (32, 631122060), (40, 504897648), (48, 420748040), (60, 336598432), (64, 315561030), (80, 252448824), (96, 210374020), (120, 168299216), (128, 157780515), (160, 126224412), (192, 105187010), (240, 84149608), (320, 63112206), (384, 52593505), (480, 42074804), (640, 31556103), (960, 21037402), (1920, 10518701)]