15200020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^3\times {\mathrm{571}}^1$

素因数の和:613

約数の個数: 48

約数和(自身を含む): 35171136

約数和(自身を除く): 19971116

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 571, 605, 1142, 1210, 1331, 2284, 2420, 2662, 2855, 5324, 5710, 6281, 6655, 11420, 12562, 13310, 25124, 26620, 31405, 62810, 69091, 125620, 138182, 276364, 345455, 690910, 760001, 1381820, 1520002, 3040004, 3800005, 7600010, 15200020]

約数ペア:

[(1, 15200020), (2, 7600010), (4, 3800005), (5, 3040004), (10, 1520002), (11, 1381820), (20, 760001), (22, 690910), (44, 345455), (55, 276364), (110, 138182), (121, 125620), (220, 69091), (242, 62810), (484, 31405), (571, 26620), (605, 25124), (1142, 13310), (1210, 12562), (1331, 11420), (2284, 6655), (2420, 6281), (2662, 5710), (2855, 5324)]