20699330

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{521}}^1$

素因数の和:694

約数の個数: 32

約数和(自身を含む): 38899440

約数和(自身を除く): 18200110

約数列:

[1, 2, 5, 10, 29, 58, 137, 145, 274, 290, 521, 685, 1042, 1370, 2605, 3973, 5210, 7946, 15109, 19865, 30218, 39730, 71377, 75545, 142754, 151090, 356885, 713770, 2069933, 4139866, 10349665, 20699330]

約数ペア:

[(1, 20699330), (2, 10349665), (5, 4139866), (10, 2069933), (29, 713770), (58, 356885), (137, 151090), (145, 142754), (274, 75545), (290, 71377), (521, 39730), (685, 30218), (1042, 19865), (1370, 15109), (2605, 7946), (3973, 5210)]