20193558

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{401}}^1$

素因数の和:533

約数の個数: 64

約数和(自身を含む): 50941440

約数和(自身を除く): 30747882

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 109, 154, 218, 231, 327, 401, 462, 654, 763, 802, 1199, 1203, 1526, 2289, 2398, 2406, 2807, 3597, 4411, 4578, 5614, 7194, 8393, 8421, 8822, 13233, 16786, 16842, 25179, 26466, 30877, 43709, 50358, 61754, 87418, 92631, 131127, 185262, 262254, 305963, 480799, 611926, 917889, 961598, 1442397, 1835778, 2884794, 3365593, 6731186, 10096779, 20193558]

約数ペア:

[(1, 20193558), (2, 10096779), (3, 6731186), (6, 3365593), (7, 2884794), (11, 1835778), (14, 1442397), (21, 961598), (22, 917889), (33, 611926), (42, 480799), (66, 305963), (77, 262254), (109, 185262), (154, 131127), (218, 92631), (231, 87418), (327, 61754), (401, 50358), (462, 43709), (654, 30877), (763, 26466), (802, 25179), (1199, 16842), (1203, 16786), (1526, 13233), (2289, 8822), (2398, 8421), (2406, 8393), (2807, 7194), (3597, 5614), (4411, 4578)]