20672280

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19141}}^1$

素因数の和:19161

約数の個数: 64

約数和(自身を含む): 68911200

約数和(自身を除く): 48238920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 19141, 38282, 57423, 76564, 95705, 114846, 153128, 172269, 191410, 229692, 287115, 344538, 382820, 459384, 516807, 574230, 689076, 765640, 861345, 1033614, 1148460, 1378152, 1722690, 2067228, 2296920, 2584035, 3445380, 4134456, 5168070, 6890760, 10336140, 20672280]

約数ペア:

[(1, 20672280), (2, 10336140), (3, 6890760), (4, 5168070), (5, 4134456), (6, 3445380), (8, 2584035), (9, 2296920), (10, 2067228), (12, 1722690), (15, 1378152), (18, 1148460), (20, 1033614), (24, 861345), (27, 765640), (30, 689076), (36, 574230), (40, 516807), (45, 459384), (54, 382820), (60, 344538), (72, 287115), (90, 229692), (108, 191410), (120, 172269), (135, 153128), (180, 114846), (216, 95705), (270, 76564), (360, 57423), (540, 38282), (1080, 19141)]