20013930

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:260

約数の個数: 96

約数和(自身を含む): 56070144

約数和(自身を除く): 36056214

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 103, 127, 153, 170, 206, 254, 255, 306, 309, 381, 510, 515, 618, 635, 762, 765, 927, 1030, 1143, 1270, 1530, 1545, 1751, 1854, 1905, 2159, 2286, 3090, 3502, 3810, 4318, 4635, 5253, 5715, 6477, 8755, 9270, 10506, 10795, 11430, 12954, 13081, 15759, 17510, 19431, 21590, 26162, 26265, 31518, 32385, 38862, 39243, 52530, 64770, 65405, 78486, 78795, 97155, 117729, 130810, 157590, 194310, 196215, 222377, 235458, 392430, 444754, 588645, 667131, 1111885, 1177290, 1334262, 2001393, 2223770, 3335655, 4002786, 6671310, 10006965, 20013930]

約数ペア:

[(1, 20013930), (2, 10006965), (3, 6671310), (5, 4002786), (6, 3335655), (9, 2223770), (10, 2001393), (15, 1334262), (17, 1177290), (18, 1111885), (30, 667131), (34, 588645), (45, 444754), (51, 392430), (85, 235458), (90, 222377), (102, 196215), (103, 194310), (127, 157590), (153, 130810), (170, 117729), (206, 97155), (254, 78795), (255, 78486), (306, 65405), (309, 64770), (381, 52530), (510, 39243), (515, 38862), (618, 32385), (635, 31518), (762, 26265), (765, 26162), (927, 21590), (1030, 19431), (1143, 17510), (1270, 15759), (1530, 13081), (1545, 12954), (1751, 11430), (1854, 10795), (1905, 10506), (2159, 9270), (2286, 8755), (3090, 6477), (3502, 5715), (3810, 5253), (4318, 4635)]