20852940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{367}}^1\times {\mathrm{947}}^1$

素因数の和:1326

約数の個数: 48

約数和(自身を含む): 58609152

約数和(自身を除く): 37756212

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 367, 734, 947, 1101, 1468, 1835, 1894, 2202, 2841, 3670, 3788, 4404, 4735, 5505, 5682, 7340, 9470, 11010, 11364, 14205, 18940, 22020, 28410, 56820, 347549, 695098, 1042647, 1390196, 1737745, 2085294, 3475490, 4170588, 5213235, 6950980, 10426470, 20852940]

約数ペア:

[(1, 20852940), (2, 10426470), (3, 6950980), (4, 5213235), (5, 4170588), (6, 3475490), (10, 2085294), (12, 1737745), (15, 1390196), (20, 1042647), (30, 695098), (60, 347549), (367, 56820), (734, 28410), (947, 22020), (1101, 18940), (1468, 14205), (1835, 11364), (1894, 11010), (2202, 9470), (2841, 7340), (3670, 5682), (3788, 5505), (4404, 4735)]