20400570

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2731}}^1$

素因数の和:2827

約数の個数: 48

約数和(自身を含む): 53700192

約数和(自身を除く): 33299622

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 83, 90, 166, 249, 415, 498, 747, 830, 1245, 1494, 2490, 2731, 3735, 5462, 7470, 8193, 13655, 16386, 24579, 27310, 40965, 49158, 81930, 122895, 226673, 245790, 453346, 680019, 1133365, 1360038, 2040057, 2266730, 3400095, 4080114, 6800190, 10200285, 20400570]

約数ペア:

[(1, 20400570), (2, 10200285), (3, 6800190), (5, 4080114), (6, 3400095), (9, 2266730), (10, 2040057), (15, 1360038), (18, 1133365), (30, 680019), (45, 453346), (83, 245790), (90, 226673), (166, 122895), (249, 81930), (415, 49158), (498, 40965), (747, 27310), (830, 24579), (1245, 16386), (1494, 13655), (2490, 8193), (2731, 7470), (3735, 5462)]