20960208

素因数分解:

$2^4\times 3^7\times {\mathrm{599}}^1$

素因数の和:628

約数の個数: 80

約数和(自身を含む): 61008000

約数和(自身を除く): 40047792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 243, 324, 432, 486, 599, 648, 729, 972, 1198, 1296, 1458, 1797, 1944, 2187, 2396, 2916, 3594, 3888, 4374, 4792, 5391, 5832, 7188, 8748, 9584, 10782, 11664, 14376, 16173, 17496, 21564, 28752, 32346, 34992, 43128, 48519, 64692, 86256, 97038, 129384, 145557, 194076, 258768, 291114, 388152, 436671, 582228, 776304, 873342, 1164456, 1310013, 1746684, 2328912, 2620026, 3493368, 5240052, 6986736, 10480104, 20960208]

約数ペア:

[(1, 20960208), (2, 10480104), (3, 6986736), (4, 5240052), (6, 3493368), (8, 2620026), (9, 2328912), (12, 1746684), (16, 1310013), (18, 1164456), (24, 873342), (27, 776304), (36, 582228), (48, 436671), (54, 388152), (72, 291114), (81, 258768), (108, 194076), (144, 145557), (162, 129384), (216, 97038), (243, 86256), (324, 64692), (432, 48519), (486, 43128), (599, 34992), (648, 32346), (729, 28752), (972, 21564), (1198, 17496), (1296, 16173), (1458, 14376), (1797, 11664), (1944, 10782), (2187, 9584), (2396, 8748), (2916, 7188), (3594, 5832), (3888, 5391), (4374, 4792)]