20210541868

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1669}}^1\times {\mathrm{16189}}^1$

素因数の和:17890

約数の個数: 48

約数和(自身を含む): 40880397600

約数和(自身を除く): 20669855732

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 187, 374, 748, 1669, 3338, 6676, 16189, 18359, 28373, 32378, 36718, 56746, 64756, 73436, 113492, 178079, 275213, 312103, 356158, 550426, 624206, 712316, 1100852, 1248412, 3027343, 6054686, 12109372, 27019441, 54038882, 108077764, 297213851, 459330497, 594427702, 918660994, 1188855404, 1837321988, 5052635467, 10105270934, 20210541868]

約数ペア:

[(1, 20210541868), (2, 10105270934), (4, 5052635467), (11, 1837321988), (17, 1188855404), (22, 918660994), (34, 594427702), (44, 459330497), (68, 297213851), (187, 108077764), (374, 54038882), (748, 27019441), (1669, 12109372), (3338, 6054686), (6676, 3027343), (16189, 1248412), (18359, 1100852), (28373, 712316), (32378, 624206), (36718, 550426), (56746, 356158), (64756, 312103), (73436, 275213), (113492, 178079)]