20888714

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{19}}^1\times {\mathrm{59}}^1$

素因数の和:120

約数の個数: 64

約数和(自身を含む): 42163200

約数和(自身を除く): 21274486

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 59, 77, 118, 121, 133, 154, 209, 242, 266, 413, 418, 649, 826, 847, 1121, 1298, 1331, 1463, 1694, 2242, 2299, 2662, 2926, 4543, 4598, 7139, 7847, 9086, 9317, 12331, 14278, 15694, 16093, 18634, 24662, 25289, 32186, 49973, 50578, 78529, 86317, 99946, 135641, 157058, 172634, 177023, 271282, 354046, 549703, 949487, 1099406, 1492051, 1898974, 2984102, 10444357, 20888714]

約数ペア:

[(1, 20888714), (2, 10444357), (7, 2984102), (11, 1898974), (14, 1492051), (19, 1099406), (22, 949487), (38, 549703), (59, 354046), (77, 271282), (118, 177023), (121, 172634), (133, 157058), (154, 135641), (209, 99946), (242, 86317), (266, 78529), (413, 50578), (418, 49973), (649, 32186), (826, 25289), (847, 24662), (1121, 18634), (1298, 16093), (1331, 15694), (1463, 14278), (1694, 12331), (2242, 9317), (2299, 9086), (2662, 7847), (2926, 7139), (4543, 4598)]