20102415

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2543}}^1$

素因数の和:2599

約数の個数: 32

約数和(自身を含む): 35168256

約数和(自身を除く): 15065841

約数列:

[1, 3, 5, 15, 17, 31, 51, 85, 93, 155, 255, 465, 527, 1581, 2543, 2635, 7629, 7905, 12715, 38145, 43231, 78833, 129693, 216155, 236499, 394165, 648465, 1182495, 1340161, 4020483, 6700805, 20102415]

約数ペア:

[(1, 20102415), (3, 6700805), (5, 4020483), (15, 1340161), (17, 1182495), (31, 648465), (51, 394165), (85, 236499), (93, 216155), (155, 129693), (255, 78833), (465, 43231), (527, 38145), (1581, 12715), (2543, 7905), (2635, 7629)]