20123248544

素因数分解:

$2^5\times 7^1\times {\mathrm{227}}^1\times {\mathrm{373}}^1\times {\mathrm{1061}}^1$

素因数の和:1678

約数の個数: 96

約数和(自身を含む): 45641667456

約数和(自身を除く): 25518418912

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 227, 373, 454, 746, 908, 1061, 1492, 1589, 1816, 2122, 2611, 2984, 3178, 3632, 4244, 5222, 5968, 6356, 7264, 7427, 8488, 10444, 11936, 12712, 14854, 16976, 20888, 25424, 29708, 33952, 41776, 50848, 59416, 83552, 84671, 118832, 169342, 237664, 240847, 338684, 395753, 481694, 592697, 677368, 791506, 963388, 1185394, 1354736, 1583012, 1685929, 1926776, 2370788, 2709472, 2770271, 3166024, 3371858, 3853552, 4741576, 5540542, 6332048, 6743716, 7707104, 9483152, 11081084, 12664096, 13487432, 18966304, 22162168, 26974864, 44324336, 53949728, 88648672, 89835931, 179671862, 359343724, 628851517, 718687448, 1257703034, 1437374896, 2515406068, 2874749792, 5030812136, 10061624272, 20123248544]

約数ペア:

[(1, 20123248544), (2, 10061624272), (4, 5030812136), (7, 2874749792), (8, 2515406068), (14, 1437374896), (16, 1257703034), (28, 718687448), (32, 628851517), (56, 359343724), (112, 179671862), (224, 89835931), (227, 88648672), (373, 53949728), (454, 44324336), (746, 26974864), (908, 22162168), (1061, 18966304), (1492, 13487432), (1589, 12664096), (1816, 11081084), (2122, 9483152), (2611, 7707104), (2984, 6743716), (3178, 6332048), (3632, 5540542), (4244, 4741576), (5222, 3853552), (5968, 3371858), (6356, 3166024), (7264, 2770271), (7427, 2709472), (8488, 2370788), (10444, 1926776), (11936, 1685929), (12712, 1583012), (14854, 1354736), (16976, 1185394), (20888, 963388), (25424, 791506), (29708, 677368), (33952, 592697), (41776, 481694), (50848, 395753), (59416, 338684), (83552, 240847), (84671, 237664), (118832, 169342)]