20618820

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{38183}}^1$

素因数の和:38201

約数の個数: 48

約数和(自身を含む): 64149120

約数和(自身を除く): 43530300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 38183, 76366, 114549, 152732, 190915, 229098, 343647, 381830, 458196, 572745, 687294, 763660, 1030941, 1145490, 1374588, 1718235, 2061882, 2290980, 3436470, 4123764, 5154705, 6872940, 10309410, 20618820]

約数ペア:

[(1, 20618820), (2, 10309410), (3, 6872940), (4, 5154705), (5, 4123764), (6, 3436470), (9, 2290980), (10, 2061882), (12, 1718235), (15, 1374588), (18, 1145490), (20, 1030941), (27, 763660), (30, 687294), (36, 572745), (45, 458196), (54, 381830), (60, 343647), (90, 229098), (108, 190915), (135, 152732), (180, 114549), (270, 76366), (540, 38183)]