20407590

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1117}}^1$

素因数の和:1166

約数の個数: 96

約数和(自身を含む): 62786880

約数和(自身を除く): 42379290

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 29, 30, 35, 42, 45, 58, 63, 70, 87, 90, 105, 126, 145, 174, 203, 210, 261, 290, 315, 406, 435, 522, 609, 630, 870, 1015, 1117, 1218, 1305, 1827, 2030, 2234, 2610, 3045, 3351, 3654, 5585, 6090, 6702, 7819, 9135, 10053, 11170, 15638, 16755, 18270, 20106, 23457, 32393, 33510, 39095, 46914, 50265, 64786, 70371, 78190, 97179, 100530, 117285, 140742, 161965, 194358, 226751, 234570, 291537, 323930, 351855, 453502, 485895, 583074, 680253, 703710, 971790, 1133755, 1360506, 1457685, 2040759, 2267510, 2915370, 3401265, 4081518, 6802530, 10203795, 20407590]

約数ペア:

[(1, 20407590), (2, 10203795), (3, 6802530), (5, 4081518), (6, 3401265), (7, 2915370), (9, 2267510), (10, 2040759), (14, 1457685), (15, 1360506), (18, 1133755), (21, 971790), (29, 703710), (30, 680253), (35, 583074), (42, 485895), (45, 453502), (58, 351855), (63, 323930), (70, 291537), (87, 234570), (90, 226751), (105, 194358), (126, 161965), (145, 140742), (174, 117285), (203, 100530), (210, 97179), (261, 78190), (290, 70371), (315, 64786), (406, 50265), (435, 46914), (522, 39095), (609, 33510), (630, 32393), (870, 23457), (1015, 20106), (1117, 18270), (1218, 16755), (1305, 15638), (1827, 11170), (2030, 10053), (2234, 9135), (2610, 7819), (3045, 6702), (3351, 6090), (3654, 5585)]