20419410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1439}}^1$

素因数の和:1503

約数の個数: 64

約数和(自身を含む): 54743040

約数和(自身を除く): 34323630

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 43, 55, 66, 86, 110, 129, 165, 215, 258, 330, 430, 473, 645, 946, 1290, 1419, 1439, 2365, 2838, 2878, 4317, 4730, 7095, 7195, 8634, 14190, 14390, 15829, 21585, 31658, 43170, 47487, 61877, 79145, 94974, 123754, 158290, 185631, 237435, 309385, 371262, 474870, 618770, 680647, 928155, 1361294, 1856310, 2041941, 3403235, 4083882, 6806470, 10209705, 20419410]

約数ペア:

[(1, 20419410), (2, 10209705), (3, 6806470), (5, 4083882), (6, 3403235), (10, 2041941), (11, 1856310), (15, 1361294), (22, 928155), (30, 680647), (33, 618770), (43, 474870), (55, 371262), (66, 309385), (86, 237435), (110, 185631), (129, 158290), (165, 123754), (215, 94974), (258, 79145), (330, 61877), (430, 47487), (473, 43170), (645, 31658), (946, 21585), (1290, 15829), (1419, 14390), (1439, 14190), (2365, 8634), (2838, 7195), (2878, 7095), (4317, 4730)]