20512125249

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{125597}}^1$

素因数の和:125726

約数の個数: 48

約数和(自身を含む): 35050885056

約数和(自身を除く): 14538759807

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 101, 147, 231, 303, 539, 707, 1111, 1617, 2121, 3333, 4949, 7777, 14847, 23331, 54439, 125597, 163317, 376791, 879179, 1381567, 2637537, 4144701, 6154253, 9670969, 12685297, 18462759, 29012907, 38055891, 67696783, 88797079, 139538267, 203090349, 266391237, 418614801, 621579553, 976767869, 1864738659, 2930303607, 6837375083, 20512125249]

約数ペア:

[(1, 20512125249), (3, 6837375083), (7, 2930303607), (11, 1864738659), (21, 976767869), (33, 621579553), (49, 418614801), (77, 266391237), (101, 203090349), (147, 139538267), (231, 88797079), (303, 67696783), (539, 38055891), (707, 29012907), (1111, 18462759), (1617, 12685297), (2121, 9670969), (3333, 6154253), (4949, 4144701), (7777, 2637537), (14847, 1381567), (23331, 879179), (54439, 376791), (125597, 163317)]