20591415

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3911}}^1$

素因数の和:3941

約数の個数: 40

約数和(自身を含む): 39761568

約数和(自身を除く): 19170153

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 351, 405, 585, 1053, 1755, 3911, 5265, 11733, 19555, 35199, 50843, 58665, 105597, 152529, 175995, 254215, 316791, 457587, 527985, 762645, 1372761, 1583955, 2287935, 4118283, 6863805, 20591415]

約数ペア:

[(1, 20591415), (3, 6863805), (5, 4118283), (9, 2287935), (13, 1583955), (15, 1372761), (27, 762645), (39, 527985), (45, 457587), (65, 316791), (81, 254215), (117, 175995), (135, 152529), (195, 105597), (351, 58665), (405, 50843), (585, 35199), (1053, 19555), (1755, 11733), (3911, 5265)]