20412684

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{277}}^1$

素因数の和:399

約数の個数: 72

約数和(自身を含む): 54643680

約数和(自身を除く): 34230996

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 89, 92, 138, 178, 207, 267, 276, 277, 356, 414, 534, 554, 801, 828, 831, 1068, 1108, 1602, 1662, 2047, 2493, 3204, 3324, 4094, 4986, 6141, 6371, 8188, 9972, 12282, 12742, 18423, 19113, 24564, 24653, 25484, 36846, 38226, 49306, 57339, 73692, 73959, 76452, 98612, 114678, 147918, 221877, 229356, 295836, 443754, 567019, 887508, 1134038, 1701057, 2268076, 3402114, 5103171, 6804228, 10206342, 20412684]

約数ペア:

[(1, 20412684), (2, 10206342), (3, 6804228), (4, 5103171), (6, 3402114), (9, 2268076), (12, 1701057), (18, 1134038), (23, 887508), (36, 567019), (46, 443754), (69, 295836), (89, 229356), (92, 221877), (138, 147918), (178, 114678), (207, 98612), (267, 76452), (276, 73959), (277, 73692), (356, 57339), (414, 49306), (534, 38226), (554, 36846), (801, 25484), (828, 24653), (831, 24564), (1068, 19113), (1108, 18423), (1602, 12742), (1662, 12282), (2047, 9972), (2493, 8188), (3204, 6371), (3324, 6141), (4094, 4986)]