20550552

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1$

素因数の和:297

約数の個数: 128

約数和(自身を含む): 62726400

約数和(自身を除く): 42175848

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 17, 19, 22, 24, 33, 34, 38, 44, 51, 57, 66, 68, 76, 88, 102, 114, 132, 136, 152, 187, 204, 209, 228, 241, 264, 323, 374, 408, 418, 456, 482, 561, 627, 646, 723, 748, 836, 964, 969, 1122, 1254, 1292, 1446, 1496, 1672, 1928, 1938, 2244, 2508, 2584, 2651, 2892, 3553, 3876, 4097, 4488, 4579, 5016, 5302, 5784, 7106, 7752, 7953, 8194, 9158, 10604, 10659, 12291, 13737, 14212, 15906, 16388, 18316, 21208, 21318, 24582, 27474, 28424, 31812, 32776, 36632, 42636, 45067, 49164, 50369, 54948, 63624, 77843, 85272, 90134, 98328, 100738, 109896, 135201, 151107, 155686, 180268, 201476, 233529, 270402, 302214, 311372, 360536, 402952, 467058, 540804, 604428, 622744, 856273, 934116, 1081608, 1208856, 1712546, 1868232, 2568819, 3425092, 5137638, 6850184, 10275276, 20550552]

約数ペア:

[(1, 20550552), (2, 10275276), (3, 6850184), (4, 5137638), (6, 3425092), (8, 2568819), (11, 1868232), (12, 1712546), (17, 1208856), (19, 1081608), (22, 934116), (24, 856273), (33, 622744), (34, 604428), (38, 540804), (44, 467058), (51, 402952), (57, 360536), (66, 311372), (68, 302214), (76, 270402), (88, 233529), (102, 201476), (114, 180268), (132, 155686), (136, 151107), (152, 135201), (187, 109896), (204, 100738), (209, 98328), (228, 90134), (241, 85272), (264, 77843), (323, 63624), (374, 54948), (408, 50369), (418, 49164), (456, 45067), (482, 42636), (561, 36632), (627, 32776), (646, 31812), (723, 28424), (748, 27474), (836, 24582), (964, 21318), (969, 21208), (1122, 18316), (1254, 16388), (1292, 15906), (1446, 14212), (1496, 13737), (1672, 12291), (1928, 10659), (1938, 10604), (2244, 9158), (2508, 8194), (2584, 7953), (2651, 7752), (2892, 7106), (3553, 5784), (3876, 5302), (4097, 5016), (4488, 4579)]