20019174942

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{36913}}^1$

素因数の和:37357

約数の個数: 64

約数和(自身を含む): 45767453760

約数和(自身を除く): 25748278818

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 102, 221, 409, 442, 663, 818, 1227, 1326, 2454, 5317, 6953, 10634, 13906, 15951, 20859, 31902, 36913, 41718, 73826, 90389, 110739, 180778, 221478, 271167, 479869, 542334, 627521, 959738, 1255042, 1439607, 1882563, 2879214, 3765126, 8157773, 15097417, 16315546, 24473319, 30194834, 45292251, 48946638, 90584502, 196266421, 256656089, 392532842, 513312178, 588799263, 769968267, 1177598526, 1539936534, 3336529157, 6673058314, 10009587471, 20019174942]

約数ペア:

[(1, 20019174942), (2, 10009587471), (3, 6673058314), (6, 3336529157), (13, 1539936534), (17, 1177598526), (26, 769968267), (34, 588799263), (39, 513312178), (51, 392532842), (78, 256656089), (102, 196266421), (221, 90584502), (409, 48946638), (442, 45292251), (663, 30194834), (818, 24473319), (1227, 16315546), (1326, 15097417), (2454, 8157773), (5317, 3765126), (6953, 2879214), (10634, 1882563), (13906, 1439607), (15951, 1255042), (20859, 959738), (31902, 627521), (36913, 542334), (41718, 479869), (73826, 271167), (90389, 221478), (110739, 180778)]