20308410

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:324

約数の個数: 96

約数和(自身を含む): 56609280

約数和(自身を除く): 36300870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 31, 45, 58, 62, 87, 90, 93, 145, 155, 174, 186, 251, 261, 279, 290, 310, 435, 465, 502, 522, 558, 753, 870, 899, 930, 1255, 1305, 1395, 1506, 1798, 2259, 2510, 2610, 2697, 2790, 3765, 4495, 4518, 5394, 7279, 7530, 7781, 8091, 8990, 11295, 13485, 14558, 15562, 16182, 21837, 22590, 23343, 26970, 36395, 38905, 40455, 43674, 46686, 65511, 70029, 72790, 77810, 80910, 109185, 116715, 131022, 140058, 218370, 225649, 233430, 327555, 350145, 451298, 655110, 676947, 700290, 1128245, 1353894, 2030841, 2256490, 3384735, 4061682, 6769470, 10154205, 20308410]

約数ペア:

[(1, 20308410), (2, 10154205), (3, 6769470), (5, 4061682), (6, 3384735), (9, 2256490), (10, 2030841), (15, 1353894), (18, 1128245), (29, 700290), (30, 676947), (31, 655110), (45, 451298), (58, 350145), (62, 327555), (87, 233430), (90, 225649), (93, 218370), (145, 140058), (155, 131022), (174, 116715), (186, 109185), (251, 80910), (261, 77810), (279, 72790), (290, 70029), (310, 65511), (435, 46686), (465, 43674), (502, 40455), (522, 38905), (558, 36395), (753, 26970), (870, 23343), (899, 22590), (930, 21837), (1255, 16182), (1305, 15562), (1395, 14558), (1506, 13485), (1798, 11295), (2259, 8990), (2510, 8091), (2610, 7781), (2697, 7530), (2790, 7279), (3765, 5394), (4495, 4518)]