20706570

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1447}}^1$

素因数の和:1516

約数の個数: 64

約数和(自身を含む): 56298240

約数和(自身を除く): 35591670

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 53, 54, 90, 106, 135, 159, 265, 270, 318, 477, 530, 795, 954, 1431, 1447, 1590, 2385, 2862, 2894, 4341, 4770, 7155, 7235, 8682, 13023, 14310, 14470, 21705, 26046, 39069, 43410, 65115, 76691, 78138, 130230, 153382, 195345, 230073, 383455, 390690, 460146, 690219, 766910, 1150365, 1380438, 2070657, 2300730, 3451095, 4141314, 6902190, 10353285, 20706570]

約数ペア:

[(1, 20706570), (2, 10353285), (3, 6902190), (5, 4141314), (6, 3451095), (9, 2300730), (10, 2070657), (15, 1380438), (18, 1150365), (27, 766910), (30, 690219), (45, 460146), (53, 390690), (54, 383455), (90, 230073), (106, 195345), (135, 153382), (159, 130230), (265, 78138), (270, 76691), (318, 65115), (477, 43410), (530, 39069), (795, 26046), (954, 21705), (1431, 14470), (1447, 14310), (1590, 13023), (2385, 8682), (2862, 7235), (2894, 7155), (4341, 4770)]