20772675

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{109}}^1$

素因数の和:154

約数の個数: 108

約数和(自身を含む): 47167120

約数和(自身を除く): 26394445

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 25, 33, 35, 45, 55, 63, 75, 77, 99, 105, 109, 121, 165, 175, 225, 231, 275, 315, 327, 363, 385, 495, 525, 545, 605, 693, 763, 825, 847, 981, 1089, 1155, 1199, 1575, 1635, 1815, 1925, 2289, 2475, 2541, 2725, 3025, 3465, 3597, 3815, 4235, 4905, 5445, 5775, 5995, 6867, 7623, 8175, 8393, 9075, 10791, 11445, 12705, 13189, 17325, 17985, 19075, 21175, 24525, 25179, 27225, 29975, 34335, 38115, 39567, 41965, 53955, 57225, 63525, 65945, 75537, 89925, 92323, 118701, 125895, 171675, 190575, 197835, 209825, 269775, 276969, 329725, 377685, 461615, 593505, 629475, 830907, 989175, 1384845, 1888425, 2308075, 2967525, 4154535, 6924225, 20772675]

約数ペア:

[(1, 20772675), (3, 6924225), (5, 4154535), (7, 2967525), (9, 2308075), (11, 1888425), (15, 1384845), (21, 989175), (25, 830907), (33, 629475), (35, 593505), (45, 461615), (55, 377685), (63, 329725), (75, 276969), (77, 269775), (99, 209825), (105, 197835), (109, 190575), (121, 171675), (165, 125895), (175, 118701), (225, 92323), (231, 89925), (275, 75537), (315, 65945), (327, 63525), (363, 57225), (385, 53955), (495, 41965), (525, 39567), (545, 38115), (605, 34335), (693, 29975), (763, 27225), (825, 25179), (847, 24525), (981, 21175), (1089, 19075), (1155, 17985), (1199, 17325), (1575, 13189), (1635, 12705), (1815, 11445), (1925, 10791), (2289, 9075), (2475, 8393), (2541, 8175), (2725, 7623), (3025, 6867), (3465, 5995), (3597, 5775), (3815, 5445), (4235, 4905)]