20808157890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53354251}}^1$

素因数の和:53354274

約数の個数: 32

約数和(自身を含む): 53781086016

約数和(自身を除く): 32972928126

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 53354251, 106708502, 160062753, 266771255, 320125506, 533542510, 693605263, 800313765, 1387210526, 1600627530, 2080815789, 3468026315, 4161631578, 6936052630, 10404078945, 20808157890]

約数ペア:

[(1, 20808157890), (2, 10404078945), (3, 6936052630), (5, 4161631578), (6, 3468026315), (10, 2080815789), (13, 1600627530), (15, 1387210526), (26, 800313765), (30, 693605263), (39, 533542510), (65, 320125506), (78, 266771255), (130, 160062753), (195, 106708502), (390, 53354251)]