20020668525

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{622243}}^1$

素因数の和:622283

約数の個数: 72

約数和(自身を含む): 42128407776

約数和(自身を除く): 22107739251

約数列:

[1, 3, 5, 9, 11, 13, 15, 25, 33, 39, 45, 55, 65, 75, 99, 117, 143, 165, 195, 225, 275, 325, 429, 495, 585, 715, 825, 975, 1287, 2145, 2475, 2925, 3575, 6435, 10725, 32175, 622243, 1866729, 3111215, 5600187, 6844673, 8089159, 9333645, 15556075, 20534019, 24267477, 28000935, 34223365, 40445795, 46668225, 61602057, 72802431, 88980749, 102670095, 121337385, 140004675, 171116825, 202228975, 266942247, 308010285, 364012155, 444903745, 513350475, 606686925, 800826741, 1334711235, 1540051425, 1820060775, 2224518725, 4004133705, 6673556175, 20020668525]

約数ペア:

[(1, 20020668525), (3, 6673556175), (5, 4004133705), (9, 2224518725), (11, 1820060775), (13, 1540051425), (15, 1334711235), (25, 800826741), (33, 606686925), (39, 513350475), (45, 444903745), (55, 364012155), (65, 308010285), (75, 266942247), (99, 202228975), (117, 171116825), (143, 140004675), (165, 121337385), (195, 102670095), (225, 88980749), (275, 72802431), (325, 61602057), (429, 46668225), (495, 40445795), (585, 34223365), (715, 28000935), (825, 24267477), (975, 20534019), (1287, 15556075), (2145, 9333645), (2475, 8089159), (2925, 6844673), (3575, 5600187), (6435, 3111215), (10725, 1866729), (32175, 622243)]