20542128

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^2\times {\mathrm{809}}^1$

素因数の和:866

約数の個数: 60

約数和(自身を含む): 55543320

約数和(自身を除く): 35001192

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 69, 92, 138, 184, 276, 368, 529, 552, 809, 1058, 1104, 1587, 1618, 2116, 2427, 3174, 3236, 4232, 4854, 6348, 6472, 8464, 9708, 12696, 12944, 18607, 19416, 25392, 37214, 38832, 55821, 74428, 111642, 148856, 223284, 297712, 427961, 446568, 855922, 893136, 1283883, 1711844, 2567766, 3423688, 5135532, 6847376, 10271064, 20542128]

約数ペア:

[(1, 20542128), (2, 10271064), (3, 6847376), (4, 5135532), (6, 3423688), (8, 2567766), (12, 1711844), (16, 1283883), (23, 893136), (24, 855922), (46, 446568), (48, 427961), (69, 297712), (92, 223284), (138, 148856), (184, 111642), (276, 74428), (368, 55821), (529, 38832), (552, 37214), (809, 25392), (1058, 19416), (1104, 18607), (1587, 12944), (1618, 12696), (2116, 9708), (2427, 8464), (3174, 6472), (3236, 6348), (4232, 4854)]