20921453184

素因数分解:

$2^7\times 3^1\times {\mathrm{227}}^1\times {\mathrm{389}}^1\times {\mathrm{617}}^1$

素因数の和:1250

約数の個数: 128

約数和(自身を含む): 56051611200

約数和(自身を除く): 35130158016

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 227, 384, 389, 454, 617, 681, 778, 908, 1167, 1234, 1362, 1556, 1816, 1851, 2334, 2468, 2724, 3112, 3632, 3702, 4668, 4936, 5448, 6224, 7264, 7404, 9336, 9872, 10896, 12448, 14528, 14808, 18672, 19744, 21792, 24896, 29056, 29616, 37344, 39488, 43584, 49792, 59232, 74688, 78976, 87168, 88303, 118464, 140059, 149376, 176606, 236928, 240013, 264909, 280118, 353212, 420177, 480026, 529818, 560236, 706424, 720039, 840354, 960052, 1059636, 1120472, 1412848, 1440078, 1680708, 1920104, 2119272, 2240944, 2825696, 2880156, 3361416, 3840208, 4238544, 4481888, 5651392, 5760312, 6722832, 7680416, 8477088, 8963776, 11302784, 11520624, 13445664, 15360832, 16954176, 17927552, 23041248, 26891328, 30721664, 33908352, 46082496, 53782656, 54482951, 92164992, 108965902, 163448853, 217931804, 326897706, 435863608, 653795412, 871727216, 1307590824, 1743454432, 2615181648, 3486908864, 5230363296, 6973817728, 10460726592, 20921453184]

約数ペア:

[(1, 20921453184), (2, 10460726592), (3, 6973817728), (4, 5230363296), (6, 3486908864), (8, 2615181648), (12, 1743454432), (16, 1307590824), (24, 871727216), (32, 653795412), (48, 435863608), (64, 326897706), (96, 217931804), (128, 163448853), (192, 108965902), (227, 92164992), (384, 54482951), (389, 53782656), (454, 46082496), (617, 33908352), (681, 30721664), (778, 26891328), (908, 23041248), (1167, 17927552), (1234, 16954176), (1362, 15360832), (1556, 13445664), (1816, 11520624), (1851, 11302784), (2334, 8963776), (2468, 8477088), (2724, 7680416), (3112, 6722832), (3632, 5760312), (3702, 5651392), (4668, 4481888), (4936, 4238544), (5448, 3840208), (6224, 3361416), (7264, 2880156), (7404, 2825696), (9336, 2240944), (9872, 2119272), (10896, 1920104), (12448, 1680708), (14528, 1440078), (14808, 1412848), (18672, 1120472), (19744, 1059636), (21792, 960052), (24896, 840354), (29056, 720039), (29616, 706424), (37344, 560236), (39488, 529818), (43584, 480026), (49792, 420177), (59232, 353212), (74688, 280118), (78976, 264909), (87168, 240013), (88303, 236928), (118464, 176606), (140059, 149376)]