20604720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{85853}}^1$

素因数の和:85869

約数の個数: 40

約数和(自身を含む): 63875376

約数和(自身を除く): 43270656

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 85853, 171706, 257559, 343412, 429265, 515118, 686824, 858530, 1030236, 1287795, 1373648, 1717060, 2060472, 2575590, 3434120, 4120944, 5151180, 6868240, 10302360, 20604720]

約数ペア:

[(1, 20604720), (2, 10302360), (3, 6868240), (4, 5151180), (5, 4120944), (6, 3434120), (8, 2575590), (10, 2060472), (12, 1717060), (15, 1373648), (16, 1287795), (20, 1030236), (24, 858530), (30, 686824), (40, 515118), (48, 429265), (60, 343412), (80, 257559), (120, 171706), (240, 85853)]