20089020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{6833}}^1$

素因数の和:6859

約数の個数: 72

約数和(自身を含む): 65442384

約数和(自身を除く): 45353364

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 6833, 13666, 20499, 27332, 34165, 40998, 47831, 68330, 81996, 95662, 102495, 136660, 143493, 191324, 204990, 239155, 286986, 334817, 409980, 478310, 573972, 669634, 717465, 956620, 1004451, 1339268, 1434930, 1674085, 2008902, 2869860, 3348170, 4017804, 5022255, 6696340, 10044510, 20089020]

約数ペア:

[(1, 20089020), (2, 10044510), (3, 6696340), (4, 5022255), (5, 4017804), (6, 3348170), (7, 2869860), (10, 2008902), (12, 1674085), (14, 1434930), (15, 1339268), (20, 1004451), (21, 956620), (28, 717465), (30, 669634), (35, 573972), (42, 478310), (49, 409980), (60, 334817), (70, 286986), (84, 239155), (98, 204990), (105, 191324), (140, 143493), (147, 136660), (196, 102495), (210, 95662), (245, 81996), (294, 68330), (420, 47831), (490, 40998), (588, 34165), (735, 27332), (980, 20499), (1470, 13666), (2940, 6833)]