20964150

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{53}}^1\times {\mathrm{293}}^1$

素因数の和:367

約数の個数: 96

約数和(自身を含む): 59058720

約数和(自身を除く): 38094570

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, 293, 318, 450, 477, 530, 586, 675, 795, 879, 954, 1325, 1350, 1431, 1465, 1590, 1758, 2385, 2637, 2650, 2862, 2930, 3975, 4395, 4770, 5274, 7155, 7325, 7911, 7950, 8790, 11925, 13185, 14310, 14650, 15529, 15822, 21975, 23850, 26370, 31058, 35775, 39555, 43950, 46587, 65925, 71550, 77645, 79110, 93174, 131850, 139761, 155290, 197775, 232935, 279522, 388225, 395550, 419283, 465870, 698805, 776450, 838566, 1164675, 1397610, 2096415, 2329350, 3494025, 4192830, 6988050, 10482075, 20964150]

約数ペア:

[(1, 20964150), (2, 10482075), (3, 6988050), (5, 4192830), (6, 3494025), (9, 2329350), (10, 2096415), (15, 1397610), (18, 1164675), (25, 838566), (27, 776450), (30, 698805), (45, 465870), (50, 419283), (53, 395550), (54, 388225), (75, 279522), (90, 232935), (106, 197775), (135, 155290), (150, 139761), (159, 131850), (225, 93174), (265, 79110), (270, 77645), (293, 71550), (318, 65925), (450, 46587), (477, 43950), (530, 39555), (586, 35775), (675, 31058), (795, 26370), (879, 23850), (954, 21975), (1325, 15822), (1350, 15529), (1431, 14650), (1465, 14310), (1590, 13185), (1758, 11925), (2385, 8790), (2637, 7950), (2650, 7911), (2862, 7325), (2930, 7155), (3975, 5274), (4395, 4770)]