20165925072

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1\times {\mathrm{30871}}^1$

素因数の和:31352

約数の個数: 80

約数和(自身を含む): 53900042240

約数和(自身を除く): 33734117168

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 124, 186, 248, 372, 439, 496, 744, 878, 1317, 1488, 1756, 2634, 3512, 5268, 7024, 10536, 13609, 21072, 27218, 30871, 40827, 54436, 61742, 81654, 92613, 108872, 123484, 163308, 185226, 217744, 246968, 326616, 370452, 493936, 653232, 740904, 957001, 1481808, 1914002, 2871003, 3828004, 5742006, 7656008, 11484012, 13552369, 15312016, 22968024, 27104738, 40657107, 45936048, 54209476, 81314214, 108418952, 162628428, 216837904, 325256856, 420123439, 650513712, 840246878, 1260370317, 1680493756, 2520740634, 3360987512, 5041481268, 6721975024, 10082962536, 20165925072]

約数ペア:

[(1, 20165925072), (2, 10082962536), (3, 6721975024), (4, 5041481268), (6, 3360987512), (8, 2520740634), (12, 1680493756), (16, 1260370317), (24, 840246878), (31, 650513712), (48, 420123439), (62, 325256856), (93, 216837904), (124, 162628428), (186, 108418952), (248, 81314214), (372, 54209476), (439, 45936048), (496, 40657107), (744, 27104738), (878, 22968024), (1317, 15312016), (1488, 13552369), (1756, 11484012), (2634, 7656008), (3512, 5742006), (5268, 3828004), (7024, 2871003), (10536, 1914002), (13609, 1481808), (21072, 957001), (27218, 740904), (30871, 653232), (40827, 493936), (54436, 370452), (61742, 326616), (81654, 246968), (92613, 217744), (108872, 185226), (123484, 163308)]