20454360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7411}}^1$

素因数の和:7448

約数の個数: 64

約数和(自身を含む): 64039680

約数和(自身を除く): 43585320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 7411, 14822, 22233, 29644, 37055, 44466, 59288, 74110, 88932, 111165, 148220, 170453, 177864, 222330, 296440, 340906, 444660, 511359, 681812, 852265, 889320, 1022718, 1363624, 1704530, 2045436, 2556795, 3409060, 4090872, 5113590, 6818120, 10227180, 20454360]

約数ペア:

[(1, 20454360), (2, 10227180), (3, 6818120), (4, 5113590), (5, 4090872), (6, 3409060), (8, 2556795), (10, 2045436), (12, 1704530), (15, 1363624), (20, 1022718), (23, 889320), (24, 852265), (30, 681812), (40, 511359), (46, 444660), (60, 340906), (69, 296440), (92, 222330), (115, 177864), (120, 170453), (138, 148220), (184, 111165), (230, 88932), (276, 74110), (345, 59288), (460, 44466), (552, 37055), (690, 29644), (920, 22233), (1380, 14822), (2760, 7411)]