20670294505

素因数分解:

$5^1\times 7^2\times {\mathrm{1301}}^1\times {\mathrm{64849}}^1$

素因数の和:66169

約数の個数: 24

約数和(自身を含む): 28876667400

約数和(自身を除く): 8206372895

約数列:

[1, 5, 7, 35, 49, 245, 1301, 6505, 9107, 45535, 63749, 64849, 318745, 324245, 453943, 2269715, 3177601, 15888005, 84368549, 421842745, 590579843, 2952899215, 4134058901, 20670294505]

約数ペア:

[(1, 20670294505), (5, 4134058901), (7, 2952899215), (35, 590579843), (49, 421842745), (245, 84368549), (1301, 15888005), (6505, 3177601), (9107, 2269715), (45535, 453943), (63749, 324245), (64849, 318745)]