20307540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1061}}^1$

素因数の和:1113

約数の個数: 96

約数和(自身を含む): 64229760

約数和(自身を除く): 43922220

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 29, 30, 33, 44, 55, 58, 60, 66, 87, 110, 116, 132, 145, 165, 174, 220, 290, 319, 330, 348, 435, 580, 638, 660, 870, 957, 1061, 1276, 1595, 1740, 1914, 2122, 3183, 3190, 3828, 4244, 4785, 5305, 6366, 6380, 9570, 10610, 11671, 12732, 15915, 19140, 21220, 23342, 30769, 31830, 35013, 46684, 58355, 61538, 63660, 70026, 92307, 116710, 123076, 140052, 153845, 175065, 184614, 233420, 307690, 338459, 350130, 369228, 461535, 615380, 676918, 700260, 923070, 1015377, 1353836, 1692295, 1846140, 2030754, 3384590, 4061508, 5076885, 6769180, 10153770, 20307540]

約数ペア:

[(1, 20307540), (2, 10153770), (3, 6769180), (4, 5076885), (5, 4061508), (6, 3384590), (10, 2030754), (11, 1846140), (12, 1692295), (15, 1353836), (20, 1015377), (22, 923070), (29, 700260), (30, 676918), (33, 615380), (44, 461535), (55, 369228), (58, 350130), (60, 338459), (66, 307690), (87, 233420), (110, 184614), (116, 175065), (132, 153845), (145, 140052), (165, 123076), (174, 116710), (220, 92307), (290, 70026), (319, 63660), (330, 61538), (348, 58355), (435, 46684), (580, 35013), (638, 31830), (660, 30769), (870, 23342), (957, 21220), (1061, 19140), (1276, 15915), (1595, 12732), (1740, 11671), (1914, 10610), (2122, 9570), (3183, 6380), (3190, 6366), (3828, 5305), (4244, 4785)]