20145707192

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{363431}}^1$

素因数の和:363504

約数の個数: 48

約数和(自身を含む): 41900075280

約数和(自身を除く): 21754368088

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 82, 104, 164, 169, 328, 338, 533, 676, 1066, 1352, 2132, 4264, 6929, 13858, 27716, 55432, 363431, 726862, 1453724, 2907448, 4724603, 9449206, 14900671, 18898412, 29801342, 37796824, 59602684, 61419839, 119205368, 122839678, 193708723, 245679356, 387417446, 491358712, 774834892, 1549669784, 2518213399, 5036426798, 10072853596, 20145707192]

約数ペア:

[(1, 20145707192), (2, 10072853596), (4, 5036426798), (8, 2518213399), (13, 1549669784), (26, 774834892), (41, 491358712), (52, 387417446), (82, 245679356), (104, 193708723), (164, 122839678), (169, 119205368), (328, 61419839), (338, 59602684), (533, 37796824), (676, 29801342), (1066, 18898412), (1352, 14900671), (2132, 9449206), (4264, 4724603), (6929, 2907448), (13858, 1453724), (27716, 726862), (55432, 363431)]