20017558736

素因数分解:

$2^4\times 7^1\times {\mathrm{173}}^1\times {\mathrm{619}}^1\times {\mathrm{1669}}^1$

素因数の和:2476

約数の個数: 80

約数和(自身を含む): 44679580800

約数和(自身を除く): 24662022064

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 173, 346, 619, 692, 1211, 1238, 1384, 1669, 2422, 2476, 2768, 3338, 4333, 4844, 4952, 6676, 8666, 9688, 9904, 11683, 13352, 17332, 19376, 23366, 26704, 34664, 46732, 69328, 93464, 107087, 186928, 214174, 288737, 428348, 577474, 749609, 856696, 1033111, 1154948, 1499218, 1713392, 2021159, 2066222, 2309896, 2998436, 4042318, 4132444, 4619792, 5996872, 7231777, 8084636, 8264888, 11993744, 14463554, 16169272, 16529776, 28927108, 32338544, 57854216, 115708432, 178728203, 357456406, 714912812, 1251097421, 1429825624, 2502194842, 2859651248, 5004389684, 10008779368, 20017558736]

約数ペア:

[(1, 20017558736), (2, 10008779368), (4, 5004389684), (7, 2859651248), (8, 2502194842), (14, 1429825624), (16, 1251097421), (28, 714912812), (56, 357456406), (112, 178728203), (173, 115708432), (346, 57854216), (619, 32338544), (692, 28927108), (1211, 16529776), (1238, 16169272), (1384, 14463554), (1669, 11993744), (2422, 8264888), (2476, 8084636), (2768, 7231777), (3338, 5996872), (4333, 4619792), (4844, 4132444), (4952, 4042318), (6676, 2998436), (8666, 2309896), (9688, 2066222), (9904, 2021159), (11683, 1713392), (13352, 1499218), (17332, 1154948), (19376, 1033111), (23366, 856696), (26704, 749609), (34664, 577474), (46732, 428348), (69328, 288737), (93464, 214174), (107087, 186928)]