20022615

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{229}}^1$

素因数の和:336

約数の個数: 48

約数和(自身を含む): 36597600

約数和(自身を除く): 16574985

約数列:

[1, 3, 5, 9, 15, 29, 45, 67, 87, 145, 201, 229, 261, 335, 435, 603, 687, 1005, 1145, 1305, 1943, 2061, 3015, 3435, 5829, 6641, 9715, 10305, 15343, 17487, 19923, 29145, 33205, 46029, 59769, 76715, 87435, 99615, 138087, 230145, 298845, 444947, 690435, 1334841, 2224735, 4004523, 6674205, 20022615]

約数ペア:

[(1, 20022615), (3, 6674205), (5, 4004523), (9, 2224735), (15, 1334841), (29, 690435), (45, 444947), (67, 298845), (87, 230145), (145, 138087), (201, 99615), (229, 87435), (261, 76715), (335, 59769), (435, 46029), (603, 33205), (687, 29145), (1005, 19923), (1145, 17487), (1305, 15343), (1943, 10305), (2061, 9715), (3015, 6641), (3435, 5829)]