20312857560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7359731}}^1$

素因数の和:7359768

約数の個数: 64

約数和(自身を含む): 63588084480

約数和(自身を除く): 43275226920

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, 7359731, 14719462, 22079193, 29438924, 36798655, 44158386, 58877848, 73597310, 88316772, 110395965, 147194620, 169273813, 176633544, 220791930, 294389240, 338547626, 441583860, 507821439, 677095252, 846369065, 883167720, 1015642878, 1354190504, 1692738130, 2031285756, 2539107195, 3385476260, 4062571512, 5078214390, 6770952520, 10156428780, 20312857560]

約数ペア:

[(1, 20312857560), (2, 10156428780), (3, 6770952520), (4, 5078214390), (5, 4062571512), (6, 3385476260), (8, 2539107195), (10, 2031285756), (12, 1692738130), (15, 1354190504), (20, 1015642878), (23, 883167720), (24, 846369065), (30, 677095252), (40, 507821439), (46, 441583860), (60, 338547626), (69, 294389240), (92, 220791930), (115, 176633544), (120, 169273813), (138, 147194620), (184, 110395965), (230, 88316772), (276, 73597310), (345, 58877848), (460, 44158386), (552, 36798655), (690, 29438924), (920, 22079193), (1380, 14719462), (2760, 7359731)]