20164860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{3863}}^1$

素因数の和:3907

約数の個数: 72

約数和(自身を含む): 63292320

約数和(自身を除く): 43127460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 3863, 5220, 7726, 11589, 15452, 19315, 23178, 34767, 38630, 46356, 57945, 69534, 77260, 112027, 115890, 139068, 173835, 224054, 231780, 336081, 347670, 448108, 560135, 672162, 695340, 1008243, 1120270, 1344324, 1680405, 2016486, 2240540, 3360810, 4032972, 5041215, 6721620, 10082430, 20164860]

約数ペア:

[(1, 20164860), (2, 10082430), (3, 6721620), (4, 5041215), (5, 4032972), (6, 3360810), (9, 2240540), (10, 2016486), (12, 1680405), (15, 1344324), (18, 1120270), (20, 1008243), (29, 695340), (30, 672162), (36, 560135), (45, 448108), (58, 347670), (60, 336081), (87, 231780), (90, 224054), (116, 173835), (145, 139068), (174, 115890), (180, 112027), (261, 77260), (290, 69534), (348, 57945), (435, 46356), (522, 38630), (580, 34767), (870, 23178), (1044, 19315), (1305, 15452), (1740, 11589), (2610, 7726), (3863, 5220)]