20156293899

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{12917}}^1$

素因数の和:13025

約数の個数: 96

約数和(自身を含む): 37144313856

約数和(自身を除く): 16988019957

約数列:

[1, 3, 7, 9, 17, 21, 31, 47, 51, 63, 93, 119, 141, 153, 217, 279, 329, 357, 423, 527, 651, 799, 987, 1071, 1457, 1581, 1953, 2397, 2961, 3689, 4371, 4743, 5593, 7191, 10199, 11067, 12917, 13113, 16779, 24769, 30597, 33201, 38751, 50337, 74307, 90419, 91791, 116253, 173383, 219589, 222921, 271257, 400427, 520149, 607099, 658767, 813771, 1201281, 1537123, 1560447, 1821297, 1976301, 2802989, 3603843, 4249693, 4611369, 5463891, 6807259, 8408967, 10320683, 12749079, 13834107, 18820069, 20421777, 25226901, 30962049, 38247237, 47650813, 56460207, 61265331, 72244781, 92886147, 131740483, 142952439, 169380621, 216734343, 319941173, 395221449, 428857317, 650203029, 959823519, 1185664347, 2239588211, 2879470557, 6718764633, 20156293899]

約数ペア:

[(1, 20156293899), (3, 6718764633), (7, 2879470557), (9, 2239588211), (17, 1185664347), (21, 959823519), (31, 650203029), (47, 428857317), (51, 395221449), (63, 319941173), (93, 216734343), (119, 169380621), (141, 142952439), (153, 131740483), (217, 92886147), (279, 72244781), (329, 61265331), (357, 56460207), (423, 47650813), (527, 38247237), (651, 30962049), (799, 25226901), (987, 20421777), (1071, 18820069), (1457, 13834107), (1581, 12749079), (1953, 10320683), (2397, 8408967), (2961, 6807259), (3689, 5463891), (4371, 4611369), (4743, 4249693), (5593, 3603843), (7191, 2802989), (10199, 1976301), (11067, 1821297), (12917, 1560447), (13113, 1537123), (16779, 1201281), (24769, 813771), (30597, 658767), (33201, 607099), (38751, 520149), (50337, 400427), (74307, 271257), (90419, 222921), (91791, 219589), (116253, 173383)]