20115740025

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{1283}}^1\times {\mathrm{4099}}^1$

素因数の和:5415

約数の個数: 72

約数和(自身を含む): 38187957600

約数和(自身を除く): 18072217575

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 153, 225, 255, 425, 765, 1275, 1283, 3825, 3849, 4099, 6415, 11547, 12297, 19245, 20495, 21811, 32075, 36891, 57735, 61485, 65433, 69683, 96225, 102475, 109055, 184455, 196299, 209049, 288675, 307425, 327165, 348415, 545275, 627147, 922275, 981495, 1045245, 1635825, 1742075, 3135735, 4907475, 5226225, 5259017, 15678675, 15777051, 26295085, 47331153, 78885255, 89403289, 131475425, 236655765, 268209867, 394426275, 447016445, 804629601, 1183278825, 1341049335, 2235082225, 4023148005, 6705246675, 20115740025]

約数ペア:

[(1, 20115740025), (3, 6705246675), (5, 4023148005), (9, 2235082225), (15, 1341049335), (17, 1183278825), (25, 804629601), (45, 447016445), (51, 394426275), (75, 268209867), (85, 236655765), (153, 131475425), (225, 89403289), (255, 78885255), (425, 47331153), (765, 26295085), (1275, 15777051), (1283, 15678675), (3825, 5259017), (3849, 5226225), (4099, 4907475), (6415, 3135735), (11547, 1742075), (12297, 1635825), (19245, 1045245), (20495, 981495), (21811, 922275), (32075, 627147), (36891, 545275), (57735, 348415), (61485, 327165), (65433, 307425), (69683, 288675), (96225, 209049), (102475, 196299), (109055, 184455)]