20105550

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{53}}^1\times {\mathrm{281}}^1$

素因数の和:355

約数の個数: 96

約数和(自身を含む): 56648160

約数和(自身を除く): 36542610

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 53, 54, 75, 90, 106, 135, 150, 159, 225, 265, 270, 281, 318, 450, 477, 530, 562, 675, 795, 843, 954, 1325, 1350, 1405, 1431, 1590, 1686, 2385, 2529, 2650, 2810, 2862, 3975, 4215, 4770, 5058, 7025, 7155, 7587, 7950, 8430, 11925, 12645, 14050, 14310, 14893, 15174, 21075, 23850, 25290, 29786, 35775, 37935, 42150, 44679, 63225, 71550, 74465, 75870, 89358, 126450, 134037, 148930, 189675, 223395, 268074, 372325, 379350, 402111, 446790, 670185, 744650, 804222, 1116975, 1340370, 2010555, 2233950, 3350925, 4021110, 6701850, 10052775, 20105550]

約数ペア:

[(1, 20105550), (2, 10052775), (3, 6701850), (5, 4021110), (6, 3350925), (9, 2233950), (10, 2010555), (15, 1340370), (18, 1116975), (25, 804222), (27, 744650), (30, 670185), (45, 446790), (50, 402111), (53, 379350), (54, 372325), (75, 268074), (90, 223395), (106, 189675), (135, 148930), (150, 134037), (159, 126450), (225, 89358), (265, 75870), (270, 74465), (281, 71550), (318, 63225), (450, 44679), (477, 42150), (530, 37935), (562, 35775), (675, 29786), (795, 25290), (843, 23850), (954, 21075), (1325, 15174), (1350, 14893), (1405, 14310), (1431, 14050), (1590, 12645), (1686, 11925), (2385, 8430), (2529, 7950), (2650, 7587), (2810, 7155), (2862, 7025), (3975, 5058), (4215, 4770)]