20280750

素因数分解:

$2^1\times 3^1\times 5^3\times 7^1\times {\mathrm{3863}}^1$

素因数の和:3890

約数の個数: 64

約数和(自身を含む): 57867264

約数和(自身を除く): 37586514

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 105, 125, 150, 175, 210, 250, 350, 375, 525, 750, 875, 1050, 1750, 2625, 3863, 5250, 7726, 11589, 19315, 23178, 27041, 38630, 54082, 57945, 81123, 96575, 115890, 135205, 162246, 193150, 270410, 289725, 405615, 482875, 579450, 676025, 811230, 965750, 1352050, 1448625, 2028075, 2897250, 3380125, 4056150, 6760250, 10140375, 20280750]

約数ペア:

[(1, 20280750), (2, 10140375), (3, 6760250), (5, 4056150), (6, 3380125), (7, 2897250), (10, 2028075), (14, 1448625), (15, 1352050), (21, 965750), (25, 811230), (30, 676025), (35, 579450), (42, 482875), (50, 405615), (70, 289725), (75, 270410), (105, 193150), (125, 162246), (150, 135205), (175, 115890), (210, 96575), (250, 81123), (350, 57945), (375, 54082), (525, 38630), (750, 27041), (875, 23178), (1050, 19315), (1750, 11589), (2625, 7726), (3863, 5250)]