20955375

素因数分解:

$3^3\times 5^3\times 7^1\times {\mathrm{887}}^1$

素因数の和:918

約数の個数: 64

約数和(自身を含む): 44328960

約数和(自身を除く): 23373585

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, 887, 945, 1125, 1575, 2625, 2661, 3375, 4435, 4725, 6209, 7875, 7983, 13305, 18627, 22175, 23625, 23949, 31045, 39915, 55881, 66525, 93135, 110875, 119745, 155225, 167643, 199575, 279405, 332625, 465675, 598725, 776125, 838215, 997875, 1397025, 2328375, 2993625, 4191075, 6985125, 20955375]

約数ペア:

[(1, 20955375), (3, 6985125), (5, 4191075), (7, 2993625), (9, 2328375), (15, 1397025), (21, 997875), (25, 838215), (27, 776125), (35, 598725), (45, 465675), (63, 332625), (75, 279405), (105, 199575), (125, 167643), (135, 155225), (175, 119745), (189, 110875), (225, 93135), (315, 66525), (375, 55881), (525, 39915), (675, 31045), (875, 23949), (887, 23625), (945, 22175), (1125, 18627), (1575, 13305), (2625, 7983), (2661, 7875), (3375, 6209), (4435, 4725)]