20213301196

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{4603}}^1$

素因数の和:4883

約数の個数: 72

約数和(自身を含む): 39982830272

約数和(自身を除く): 19769529076

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 121, 172, 211, 242, 422, 473, 484, 844, 946, 1892, 2321, 4603, 4642, 5203, 9073, 9206, 9284, 10406, 18146, 18412, 20812, 25531, 36292, 50633, 51062, 99803, 101266, 102124, 197929, 199606, 202532, 395858, 399212, 556963, 791716, 971233, 1097833, 1113926, 1942466, 2177219, 2195666, 2227852, 3884932, 4354438, 4391332, 8708876, 10683563, 21367126, 23949409, 41763019, 42734252, 47898818, 83526038, 95797636, 117519193, 167052076, 235038386, 459393209, 470076772, 918786418, 1837572836, 5053325299, 10106650598, 20213301196]

約数ペア:

[(1, 20213301196), (2, 10106650598), (4, 5053325299), (11, 1837572836), (22, 918786418), (43, 470076772), (44, 459393209), (86, 235038386), (121, 167052076), (172, 117519193), (211, 95797636), (242, 83526038), (422, 47898818), (473, 42734252), (484, 41763019), (844, 23949409), (946, 21367126), (1892, 10683563), (2321, 8708876), (4603, 4391332), (4642, 4354438), (5203, 3884932), (9073, 2227852), (9206, 2195666), (9284, 2177219), (10406, 1942466), (18146, 1113926), (18412, 1097833), (20812, 971233), (25531, 791716), (36292, 556963), (50633, 399212), (51062, 395858), (99803, 202532), (101266, 199606), (102124, 197929)]