20095768

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:161

約数の個数: 128

約数和(自身を含む): 52876800

約数和(自身を除く): 32781032

約数列:

[1, 2, 4, 7, 8, 11, 14, 17, 19, 22, 28, 34, 38, 44, 56, 68, 76, 77, 88, 101, 119, 133, 136, 152, 154, 187, 202, 209, 238, 266, 308, 323, 374, 404, 418, 476, 532, 616, 646, 707, 748, 808, 836, 952, 1064, 1111, 1292, 1309, 1414, 1463, 1496, 1672, 1717, 1919, 2222, 2261, 2584, 2618, 2828, 2926, 3434, 3553, 3838, 4444, 4522, 5236, 5656, 5852, 6868, 7106, 7676, 7777, 8888, 9044, 10472, 11704, 12019, 13433, 13736, 14212, 15352, 15554, 18088, 18887, 21109, 24038, 24871, 26866, 28424, 31108, 32623, 37774, 42218, 48076, 49742, 53732, 62216, 65246, 75548, 84436, 96152, 99484, 107464, 130492, 132209, 147763, 151096, 168872, 198968, 228361, 260984, 264418, 295526, 358853, 456722, 528836, 591052, 717706, 913444, 1057672, 1182104, 1435412, 1826888, 2511971, 2870824, 5023942, 10047884, 20095768]

約数ペア:

[(1, 20095768), (2, 10047884), (4, 5023942), (7, 2870824), (8, 2511971), (11, 1826888), (14, 1435412), (17, 1182104), (19, 1057672), (22, 913444), (28, 717706), (34, 591052), (38, 528836), (44, 456722), (56, 358853), (68, 295526), (76, 264418), (77, 260984), (88, 228361), (101, 198968), (119, 168872), (133, 151096), (136, 147763), (152, 132209), (154, 130492), (187, 107464), (202, 99484), (209, 96152), (238, 84436), (266, 75548), (308, 65246), (323, 62216), (374, 53732), (404, 49742), (418, 48076), (476, 42218), (532, 37774), (616, 32623), (646, 31108), (707, 28424), (748, 26866), (808, 24871), (836, 24038), (952, 21109), (1064, 18887), (1111, 18088), (1292, 15554), (1309, 15352), (1414, 14212), (1463, 13736), (1496, 13433), (1672, 12019), (1717, 11704), (1919, 10472), (2222, 9044), (2261, 8888), (2584, 7777), (2618, 7676), (2828, 7106), (2926, 6868), (3434, 5852), (3553, 5656), (3838, 5236), (4444, 4522)]