20720349744

素因数分解:

$2^4\times 3^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{126851}}^1$

素因数の和:126986

約数の個数: 80

約数和(自身を含む): 55494198144

約数和(自身を除く): 34773848400

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 48, 82, 83, 123, 164, 166, 246, 249, 328, 332, 492, 498, 656, 664, 984, 996, 1328, 1968, 1992, 3403, 3984, 6806, 10209, 13612, 20418, 27224, 40836, 54448, 81672, 126851, 163344, 253702, 380553, 507404, 761106, 1014808, 1522212, 2029616, 3044424, 5200891, 6088848, 10401782, 10528633, 15602673, 20803564, 21057266, 31205346, 31585899, 41607128, 42114532, 62410692, 63171798, 83214256, 84229064, 124821384, 126343596, 168458128, 249642768, 252687192, 431673953, 505374384, 863347906, 1295021859, 1726695812, 2590043718, 3453391624, 5180087436, 6906783248, 10360174872, 20720349744]

約数ペア:

[(1, 20720349744), (2, 10360174872), (3, 6906783248), (4, 5180087436), (6, 3453391624), (8, 2590043718), (12, 1726695812), (16, 1295021859), (24, 863347906), (41, 505374384), (48, 431673953), (82, 252687192), (83, 249642768), (123, 168458128), (164, 126343596), (166, 124821384), (246, 84229064), (249, 83214256), (328, 63171798), (332, 62410692), (492, 42114532), (498, 41607128), (656, 31585899), (664, 31205346), (984, 21057266), (996, 20803564), (1328, 15602673), (1968, 10528633), (1992, 10401782), (3403, 6088848), (3984, 5200891), (6806, 3044424), (10209, 2029616), (13612, 1522212), (20418, 1014808), (27224, 761106), (40836, 507404), (54448, 380553), (81672, 253702), (126851, 163344)]