20202585

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{331}}^1$

素因数の和:665

約数の個数: 32

約数和(自身を含む): 35027328

約数和(自身を除く): 14824743

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 313, 331, 939, 993, 1565, 1655, 4069, 4303, 4695, 4965, 12207, 12909, 20345, 21515, 61035, 64545, 103603, 310809, 518015, 1346839, 1554045, 4040517, 6734195, 20202585]

約数ペア:

[(1, 20202585), (3, 6734195), (5, 4040517), (13, 1554045), (15, 1346839), (39, 518015), (65, 310809), (195, 103603), (313, 64545), (331, 61035), (939, 21515), (993, 20345), (1565, 12909), (1655, 12207), (4069, 4965), (4303, 4695)]