20395932

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:155

約数の個数: 72

約数和(自身を含む): 51507456

約数和(自身を除く): 31111524

約数列:

[1, 2, 3, 4, 6, 12, 29, 43, 47, 58, 86, 87, 94, 116, 129, 141, 172, 174, 188, 258, 282, 348, 516, 564, 841, 1247, 1363, 1682, 2021, 2494, 2523, 2726, 3364, 3741, 4042, 4089, 4988, 5046, 5452, 6063, 7482, 8084, 8178, 10092, 12126, 14964, 16356, 24252, 36163, 39527, 58609, 72326, 79054, 108489, 117218, 118581, 144652, 158108, 175827, 216978, 234436, 237162, 351654, 433956, 474324, 703308, 1699661, 3399322, 5098983, 6798644, 10197966, 20395932]

約数ペア:

[(1, 20395932), (2, 10197966), (3, 6798644), (4, 5098983), (6, 3399322), (12, 1699661), (29, 703308), (43, 474324), (47, 433956), (58, 351654), (86, 237162), (87, 234436), (94, 216978), (116, 175827), (129, 158108), (141, 144652), (172, 118581), (174, 117218), (188, 108489), (258, 79054), (282, 72326), (348, 58609), (516, 39527), (564, 36163), (841, 24252), (1247, 16356), (1363, 14964), (1682, 12126), (2021, 10092), (2494, 8178), (2523, 8084), (2726, 7482), (3364, 6063), (3741, 5452), (4042, 5046), (4089, 4988)]