20213115900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{139}}^1\times {\mathrm{484727}}^1$

素因数の和:484883

約数の個数: 72

約数和(自身を含む): 58904146560

約数和(自身を除く): 38691030660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 139, 150, 278, 300, 417, 556, 695, 834, 1390, 1668, 2085, 2780, 3475, 4170, 6950, 8340, 10425, 13900, 20850, 41700, 484727, 969454, 1454181, 1938908, 2423635, 2908362, 4847270, 5816724, 7270905, 9694540, 12118175, 14541810, 24236350, 29083620, 36354525, 48472700, 67377053, 72709050, 134754106, 145418100, 202131159, 269508212, 336885265, 404262318, 673770530, 808524636, 1010655795, 1347541060, 1684426325, 2021311590, 3368852650, 4042623180, 5053278975, 6737705300, 10106557950, 20213115900]

約数ペア:

[(1, 20213115900), (2, 10106557950), (3, 6737705300), (4, 5053278975), (5, 4042623180), (6, 3368852650), (10, 2021311590), (12, 1684426325), (15, 1347541060), (20, 1010655795), (25, 808524636), (30, 673770530), (50, 404262318), (60, 336885265), (75, 269508212), (100, 202131159), (139, 145418100), (150, 134754106), (278, 72709050), (300, 67377053), (417, 48472700), (556, 36354525), (695, 29083620), (834, 24236350), (1390, 14541810), (1668, 12118175), (2085, 9694540), (2780, 7270905), (3475, 5816724), (4170, 4847270), (6950, 2908362), (8340, 2423635), (10425, 1938908), (13900, 1454181), (20850, 969454), (41700, 484727)]