20147673159

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{433}}^1\times {\mathrm{991}}^1$

素因数の和:1517

約数の個数: 64

約数和(自身を含む): 31411322880

約数和(自身を除く): 11263649721

約数列:

[1, 3, 9, 27, 37, 47, 111, 141, 333, 423, 433, 991, 999, 1269, 1299, 1739, 2973, 3897, 5217, 8919, 11691, 15651, 16021, 20351, 26757, 36667, 46577, 46953, 48063, 61053, 110001, 139731, 144189, 183159, 330003, 419193, 429103, 432567, 549477, 752987, 990009, 1257579, 1287309, 1723349, 2258961, 3861927, 5170047, 6776883, 11585781, 15510141, 15876811, 20167841, 20330649, 46530423, 47630433, 60503523, 142891299, 181510569, 428673897, 544531707, 746210117, 2238630351, 6715891053, 20147673159]

約数ペア:

[(1, 20147673159), (3, 6715891053), (9, 2238630351), (27, 746210117), (37, 544531707), (47, 428673897), (111, 181510569), (141, 142891299), (333, 60503523), (423, 47630433), (433, 46530423), (991, 20330649), (999, 20167841), (1269, 15876811), (1299, 15510141), (1739, 11585781), (2973, 6776883), (3897, 5170047), (5217, 3861927), (8919, 2258961), (11691, 1723349), (15651, 1287309), (16021, 1257579), (20351, 990009), (26757, 752987), (36667, 549477), (46577, 432567), (46953, 429103), (48063, 419193), (61053, 330003), (110001, 183159), (139731, 144189)]