20123507950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4422749}}^1$

素因数の和:4422781

約数の個数: 48

約数和(自身を含む): 46067364000

約数和(自身を除く): 25943856050

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 130, 175, 182, 325, 350, 455, 650, 910, 2275, 4550, 4422749, 8845498, 22113745, 30959243, 44227490, 57495737, 61918486, 110568725, 114991474, 154796215, 221137450, 287478685, 309592430, 402470159, 574957370, 773981075, 804940318, 1437393425, 1547962150, 2012350795, 2874786850, 4024701590, 10061753975, 20123507950]

約数ペア:

[(1, 20123507950), (2, 10061753975), (5, 4024701590), (7, 2874786850), (10, 2012350795), (13, 1547962150), (14, 1437393425), (25, 804940318), (26, 773981075), (35, 574957370), (50, 402470159), (65, 309592430), (70, 287478685), (91, 221137450), (130, 154796215), (175, 114991474), (182, 110568725), (325, 61918486), (350, 57495737), (455, 44227490), (650, 30959243), (910, 22113745), (2275, 8845498), (4550, 4422749)]