20382660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6661}}^1$

素因数の和:6693

約数の個数: 72

約数和(自身を含む): 65474136

約数和(自身を除く): 45091476

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 6661, 13322, 19983, 26644, 33305, 39966, 59949, 66610, 79932, 99915, 113237, 119898, 133220, 199830, 226474, 239796, 299745, 339711, 399660, 452948, 566185, 599490, 679422, 1019133, 1132370, 1198980, 1358844, 1698555, 2038266, 2264740, 3397110, 4076532, 5095665, 6794220, 10191330, 20382660]

約数ペア:

[(1, 20382660), (2, 10191330), (3, 6794220), (4, 5095665), (5, 4076532), (6, 3397110), (9, 2264740), (10, 2038266), (12, 1698555), (15, 1358844), (17, 1198980), (18, 1132370), (20, 1019133), (30, 679422), (34, 599490), (36, 566185), (45, 452948), (51, 399660), (60, 339711), (68, 299745), (85, 239796), (90, 226474), (102, 199830), (153, 133220), (170, 119898), (180, 113237), (204, 99915), (255, 79932), (306, 66610), (340, 59949), (510, 39966), (612, 33305), (765, 26644), (1020, 19983), (1530, 13322), (3060, 6661)]