20186970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:299

約数の個数: 64

約数和(自身を含む): 50319360

約数和(自身を除く): 30132390

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 47, 94, 103, 139, 141, 206, 235, 278, 282, 309, 417, 470, 515, 618, 695, 705, 834, 1030, 1390, 1410, 1545, 2085, 3090, 4170, 4841, 6533, 9682, 13066, 14317, 14523, 19599, 24205, 28634, 29046, 32665, 39198, 42951, 48410, 65330, 71585, 72615, 85902, 97995, 143170, 145230, 195990, 214755, 429510, 672899, 1345798, 2018697, 3364495, 4037394, 6728990, 10093485, 20186970]

約数ペア:

[(1, 20186970), (2, 10093485), (3, 6728990), (5, 4037394), (6, 3364495), (10, 2018697), (15, 1345798), (30, 672899), (47, 429510), (94, 214755), (103, 195990), (139, 145230), (141, 143170), (206, 97995), (235, 85902), (278, 72615), (282, 71585), (309, 65330), (417, 48410), (470, 42951), (515, 39198), (618, 32665), (695, 29046), (705, 28634), (834, 24205), (1030, 19599), (1390, 14523), (1410, 14317), (1545, 13066), (2085, 9682), (3090, 6533), (4170, 4841)]