20069945

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{379}}^1$

素因数の和:497

約数の個数: 32

約数和(自身を含む): 29548800

約数和(自身を除く): 9478855

約数列:

[1, 5, 7, 17, 35, 85, 89, 119, 379, 445, 595, 623, 1513, 1895, 2653, 3115, 6443, 7565, 10591, 13265, 32215, 33731, 45101, 52955, 168655, 225505, 236117, 573427, 1180585, 2867135, 4013989, 20069945]

約数ペア:

[(1, 20069945), (5, 4013989), (7, 2867135), (17, 1180585), (35, 573427), (85, 236117), (89, 225505), (119, 168655), (379, 52955), (445, 45101), (595, 33731), (623, 32215), (1513, 13265), (1895, 10591), (2653, 7565), (3115, 6443)]