20452980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{14821}}^1$

素因数の和:14856

約数の個数: 48

約数和(自身を含む): 59762304

約数和(自身を除く): 39309324

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 14821, 29642, 44463, 59284, 74105, 88926, 148210, 177852, 222315, 296420, 340883, 444630, 681766, 889260, 1022649, 1363532, 1704415, 2045298, 3408830, 4090596, 5113245, 6817660, 10226490, 20452980]

約数ペア:

[(1, 20452980), (2, 10226490), (3, 6817660), (4, 5113245), (5, 4090596), (6, 3408830), (10, 2045298), (12, 1704415), (15, 1363532), (20, 1022649), (23, 889260), (30, 681766), (46, 444630), (60, 340883), (69, 296420), (92, 222315), (115, 177852), (138, 148210), (230, 88926), (276, 74105), (345, 59284), (460, 44463), (690, 29642), (1380, 14821)]