20433560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{72977}}^1$

素因数の和:72995

約数の個数: 32

約数和(自身を含む): 52544160

約数和(自身を除く): 32110600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 72977, 145954, 291908, 364885, 510839, 583816, 729770, 1021678, 1459540, 2043356, 2554195, 2919080, 4086712, 5108390, 10216780, 20433560]

約数ペア:

[(1, 20433560), (2, 10216780), (4, 5108390), (5, 4086712), (7, 2919080), (8, 2554195), (10, 2043356), (14, 1459540), (20, 1021678), (28, 729770), (35, 583816), (40, 510839), (56, 364885), (70, 291908), (140, 145954), (280, 72977)]