20327625

素因数分解:

$3^3\times 5^3\times {\mathrm{19}}^1\times {\mathrm{317}}^1$

素因数の和:360

約数の個数: 64

約数和(自身を含む): 39686400

約数和(自身を除く): 19358775

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 95, 125, 135, 171, 225, 285, 317, 375, 475, 513, 675, 855, 951, 1125, 1425, 1585, 2375, 2565, 2853, 3375, 4275, 4755, 6023, 7125, 7925, 8559, 12825, 14265, 18069, 21375, 23775, 30115, 39625, 42795, 54207, 64125, 71325, 90345, 118875, 150575, 162621, 213975, 271035, 356625, 451725, 752875, 813105, 1069875, 1355175, 2258625, 4065525, 6775875, 20327625]

約数ペア:

[(1, 20327625), (3, 6775875), (5, 4065525), (9, 2258625), (15, 1355175), (19, 1069875), (25, 813105), (27, 752875), (45, 451725), (57, 356625), (75, 271035), (95, 213975), (125, 162621), (135, 150575), (171, 118875), (225, 90345), (285, 71325), (317, 64125), (375, 54207), (475, 42795), (513, 39625), (675, 30115), (855, 23775), (951, 21375), (1125, 18069), (1425, 14265), (1585, 12825), (2375, 8559), (2565, 7925), (2853, 7125), (3375, 6023), (4275, 4755)]