20218183695

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1087}}^1\times {\mathrm{17971}}^1$

素因数の和:19092

約数の個数: 48

約数和(自身を含む): 36604219392

約数和(自身を除く): 16386035697

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 1087, 3261, 5435, 9783, 16305, 17971, 25001, 48915, 53913, 75003, 89855, 125005, 161739, 225009, 269565, 375015, 413333, 808695, 1125045, 1239999, 2066665, 3719997, 6199995, 18599985, 19534477, 58603431, 97672385, 175810293, 293017155, 449292971, 879051465, 1347878913, 2246464855, 4043636739, 6739394565, 20218183695]

約数ペア:

[(1, 20218183695), (3, 6739394565), (5, 4043636739), (9, 2246464855), (15, 1347878913), (23, 879051465), (45, 449292971), (69, 293017155), (115, 175810293), (207, 97672385), (345, 58603431), (1035, 19534477), (1087, 18599985), (3261, 6199995), (5435, 3719997), (9783, 2066665), (16305, 1239999), (17971, 1125045), (25001, 808695), (48915, 413333), (53913, 375015), (75003, 269565), (89855, 225009), (125005, 161739)]