20436570

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{983}}^1$

素因数の和:1017

約数の個数: 128

約数和(自身を含む): 68014080

約数和(自身を除く): 47577510

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 27, 30, 33, 35, 42, 45, 54, 55, 63, 66, 70, 77, 90, 99, 105, 110, 126, 135, 154, 165, 189, 198, 210, 231, 270, 297, 315, 330, 378, 385, 462, 495, 594, 630, 693, 770, 945, 983, 990, 1155, 1386, 1485, 1890, 1966, 2079, 2310, 2949, 2970, 3465, 4158, 4915, 5898, 6881, 6930, 8847, 9830, 10395, 10813, 13762, 14745, 17694, 20643, 20790, 21626, 26541, 29490, 32439, 34405, 41286, 44235, 53082, 54065, 61929, 64878, 68810, 75691, 88470, 97317, 103215, 108130, 123858, 132705, 151382, 162195, 185787, 194634, 206430, 227073, 265410, 291951, 309645, 324390, 371574, 378455, 454146, 486585, 583902, 619290, 681219, 756910, 928935, 973170, 1135365, 1362438, 1459755, 1857870, 2043657, 2270730, 2919510, 3406095, 4087314, 6812190, 10218285, 20436570]

約数ペア:

[(1, 20436570), (2, 10218285), (3, 6812190), (5, 4087314), (6, 3406095), (7, 2919510), (9, 2270730), (10, 2043657), (11, 1857870), (14, 1459755), (15, 1362438), (18, 1135365), (21, 973170), (22, 928935), (27, 756910), (30, 681219), (33, 619290), (35, 583902), (42, 486585), (45, 454146), (54, 378455), (55, 371574), (63, 324390), (66, 309645), (70, 291951), (77, 265410), (90, 227073), (99, 206430), (105, 194634), (110, 185787), (126, 162195), (135, 151382), (154, 132705), (165, 123858), (189, 108130), (198, 103215), (210, 97317), (231, 88470), (270, 75691), (297, 68810), (315, 64878), (330, 61929), (378, 54065), (385, 53082), (462, 44235), (495, 41286), (594, 34405), (630, 32439), (693, 29490), (770, 26541), (945, 21626), (983, 20790), (990, 20643), (1155, 17694), (1386, 14745), (1485, 13762), (1890, 10813), (1966, 10395), (2079, 9830), (2310, 8847), (2949, 6930), (2970, 6881), (3465, 5898), (4158, 4915)]