20049978

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1$

素因数の和:283

約数の個数: 64

約数和(自身を含む): 46287360

約数和(自身を除く): 26237382

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 83, 114, 163, 166, 247, 249, 326, 489, 494, 498, 741, 978, 1079, 1482, 1577, 2119, 2158, 3097, 3154, 3237, 4238, 4731, 6194, 6357, 6474, 9291, 9462, 12714, 13529, 18582, 20501, 27058, 40261, 40587, 41002, 61503, 80522, 81174, 120783, 123006, 175877, 241566, 257051, 351754, 514102, 527631, 771153, 1055262, 1542306, 3341663, 6683326, 10024989, 20049978]

約数ペア:

[(1, 20049978), (2, 10024989), (3, 6683326), (6, 3341663), (13, 1542306), (19, 1055262), (26, 771153), (38, 527631), (39, 514102), (57, 351754), (78, 257051), (83, 241566), (114, 175877), (163, 123006), (166, 120783), (247, 81174), (249, 80522), (326, 61503), (489, 41002), (494, 40587), (498, 40261), (741, 27058), (978, 20501), (1079, 18582), (1482, 13529), (1577, 12714), (2119, 9462), (2158, 9291), (3097, 6474), (3154, 6357), (3237, 6194), (4238, 4731)]