20780051058

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{1427}}^1\times {\mathrm{4787}}^1$

素因数の和:6248

約数の個数: 72

約数和(自身を含む): 48797553168

約数和(自身を除く): 28017502110

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 169, 234, 338, 507, 1014, 1427, 1521, 2854, 3042, 4281, 4787, 8562, 9574, 12843, 14361, 18551, 25686, 28722, 37102, 43083, 55653, 62231, 86166, 111306, 124462, 166959, 186693, 241163, 333918, 373386, 482326, 560079, 723489, 809003, 1120158, 1446978, 1618006, 2170467, 2427009, 4340934, 4854018, 6831049, 7281027, 13662098, 14562054, 20493147, 40986294, 61479441, 88803637, 122958882, 177607274, 266410911, 532821822, 799232733, 1154447281, 1598465466, 2308894562, 3463341843, 6926683686, 10390025529, 20780051058]

約数ペア:

[(1, 20780051058), (2, 10390025529), (3, 6926683686), (6, 3463341843), (9, 2308894562), (13, 1598465466), (18, 1154447281), (26, 799232733), (39, 532821822), (78, 266410911), (117, 177607274), (169, 122958882), (234, 88803637), (338, 61479441), (507, 40986294), (1014, 20493147), (1427, 14562054), (1521, 13662098), (2854, 7281027), (3042, 6831049), (4281, 4854018), (4787, 4340934), (8562, 2427009), (9574, 2170467), (12843, 1618006), (14361, 1446978), (18551, 1120158), (25686, 809003), (28722, 723489), (37102, 560079), (43083, 482326), (55653, 373386), (62231, 333918), (86166, 241163), (111306, 186693), (124462, 166959)]