20747586

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:183

約数の個数: 64

約数和(自身を含む): 45619200

約数和(自身を除く): 24871614

約数列:

[1, 2, 3, 6, 29, 43, 47, 58, 59, 86, 87, 94, 118, 129, 141, 174, 177, 258, 282, 354, 1247, 1363, 1711, 2021, 2494, 2537, 2726, 2773, 3422, 3741, 4042, 4089, 5074, 5133, 5546, 6063, 7482, 7611, 8178, 8319, 10266, 12126, 15222, 16638, 58609, 73573, 80417, 117218, 119239, 147146, 160834, 175827, 220719, 238478, 241251, 351654, 357717, 441438, 482502, 715434, 3457931, 6915862, 10373793, 20747586]

約数ペア:

[(1, 20747586), (2, 10373793), (3, 6915862), (6, 3457931), (29, 715434), (43, 482502), (47, 441438), (58, 357717), (59, 351654), (86, 241251), (87, 238478), (94, 220719), (118, 175827), (129, 160834), (141, 147146), (174, 119239), (177, 117218), (258, 80417), (282, 73573), (354, 58609), (1247, 16638), (1363, 15222), (1711, 12126), (2021, 10266), (2494, 8319), (2537, 8178), (2726, 7611), (2773, 7482), (3422, 6063), (3741, 5546), (4042, 5133), (4089, 5074)]