20807184

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{593}}^1$

素因数の和:664

約数の個数: 80

約数和(自身を含む): 58335552

約数和(自身を除く): 37528368

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 43, 48, 51, 68, 86, 102, 129, 136, 172, 204, 258, 272, 344, 408, 516, 593, 688, 731, 816, 1032, 1186, 1462, 1779, 2064, 2193, 2372, 2924, 3558, 4386, 4744, 5848, 7116, 8772, 9488, 10081, 11696, 14232, 17544, 20162, 25499, 28464, 30243, 35088, 40324, 50998, 60486, 76497, 80648, 101996, 120972, 152994, 161296, 203992, 241944, 305988, 407984, 433483, 483888, 611976, 866966, 1223952, 1300449, 1733932, 2600898, 3467864, 5201796, 6935728, 10403592, 20807184]

約数ペア:

[(1, 20807184), (2, 10403592), (3, 6935728), (4, 5201796), (6, 3467864), (8, 2600898), (12, 1733932), (16, 1300449), (17, 1223952), (24, 866966), (34, 611976), (43, 483888), (48, 433483), (51, 407984), (68, 305988), (86, 241944), (102, 203992), (129, 161296), (136, 152994), (172, 120972), (204, 101996), (258, 80648), (272, 76497), (344, 60486), (408, 50998), (516, 40324), (593, 35088), (688, 30243), (731, 28464), (816, 25499), (1032, 20162), (1186, 17544), (1462, 14232), (1779, 11696), (2064, 10081), (2193, 9488), (2372, 8772), (2924, 7116), (3558, 5848), (4386, 4744)]