20860875

素因数分解:

$3^3\times 5^3\times 7^1\times {\mathrm{883}}^1$

素因数の和:914

約数の個数: 64

約数和(自身を含む): 44129280

約数和(自身を除く): 23268405

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 105, 125, 135, 175, 189, 225, 315, 375, 525, 675, 875, 883, 945, 1125, 1575, 2625, 2649, 3375, 4415, 4725, 6181, 7875, 7947, 13245, 18543, 22075, 23625, 23841, 30905, 39735, 55629, 66225, 92715, 110375, 119205, 154525, 166887, 198675, 278145, 331125, 463575, 596025, 772625, 834435, 993375, 1390725, 2317875, 2980125, 4172175, 6953625, 20860875]

約数ペア:

[(1, 20860875), (3, 6953625), (5, 4172175), (7, 2980125), (9, 2317875), (15, 1390725), (21, 993375), (25, 834435), (27, 772625), (35, 596025), (45, 463575), (63, 331125), (75, 278145), (105, 198675), (125, 166887), (135, 154525), (175, 119205), (189, 110375), (225, 92715), (315, 66225), (375, 55629), (525, 39735), (675, 30905), (875, 23841), (883, 23625), (945, 22075), (1125, 18543), (1575, 13245), (2625, 7947), (2649, 7875), (3375, 6181), (4415, 4725)]