20594970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{293}}^1$

素因数の和:388

約数の個数: 96

約数和(自身を含む): 59439744

約数和(自身を除く): 38844774

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 71, 90, 99, 110, 142, 165, 198, 213, 293, 330, 355, 426, 495, 586, 639, 710, 781, 879, 990, 1065, 1278, 1465, 1562, 1758, 2130, 2343, 2637, 2930, 3195, 3223, 3905, 4395, 4686, 5274, 6390, 6446, 7029, 7810, 8790, 9669, 11715, 13185, 14058, 16115, 19338, 20803, 23430, 26370, 29007, 32230, 35145, 41606, 48345, 58014, 62409, 70290, 96690, 104015, 124818, 145035, 187227, 208030, 228833, 290070, 312045, 374454, 457666, 624090, 686499, 936135, 1144165, 1372998, 1872270, 2059497, 2288330, 3432495, 4118994, 6864990, 10297485, 20594970]

約数ペア:

[(1, 20594970), (2, 10297485), (3, 6864990), (5, 4118994), (6, 3432495), (9, 2288330), (10, 2059497), (11, 1872270), (15, 1372998), (18, 1144165), (22, 936135), (30, 686499), (33, 624090), (45, 457666), (55, 374454), (66, 312045), (71, 290070), (90, 228833), (99, 208030), (110, 187227), (142, 145035), (165, 124818), (198, 104015), (213, 96690), (293, 70290), (330, 62409), (355, 58014), (426, 48345), (495, 41606), (586, 35145), (639, 32230), (710, 29007), (781, 26370), (879, 23430), (990, 20803), (1065, 19338), (1278, 16115), (1465, 14058), (1562, 13185), (1758, 11715), (2130, 9669), (2343, 8790), (2637, 7810), (2930, 7029), (3195, 6446), (3223, 6390), (3905, 5274), (4395, 4686)]