20139023560

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21890243}}^1$

素因数の和:21890277

約数の個数: 32

約数和(自身を含む): 47282927040

約数和(自身を除く): 27143903480

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 21890243, 43780486, 87560972, 109451215, 175121944, 218902430, 437804860, 503475589, 875609720, 1006951178, 2013902356, 2517377945, 4027804712, 5034755890, 10069511780, 20139023560]

約数ペア:

[(1, 20139023560), (2, 10069511780), (4, 5034755890), (5, 4027804712), (8, 2517377945), (10, 2013902356), (20, 1006951178), (23, 875609720), (40, 503475589), (46, 437804860), (92, 218902430), (115, 175121944), (184, 109451215), (230, 87560972), (460, 43780486), (920, 21890243)]