20170199665

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{1231}}^1$

素因数の和:1391

約数の個数: 96

約数和(自身を含む): 31428891648

約数和(自身を除く): 11258691983

約数列:

[1, 5, 7, 11, 35, 53, 55, 73, 77, 121, 265, 365, 371, 385, 511, 583, 605, 803, 847, 1231, 1855, 2555, 2915, 3869, 4015, 4081, 4235, 5621, 6155, 6413, 8617, 8833, 13541, 19345, 20405, 27083, 28105, 32065, 42559, 43085, 44165, 44891, 61831, 65243, 67705, 89863, 94787, 135415, 148951, 212795, 224455, 297913, 309155, 326215, 449315, 456701, 468149, 473935, 629041, 717673, 744755, 988493, 1042657, 1489565, 2283505, 2340745, 3145205, 3277043, 3588365, 4762739, 4942465, 5023711, 5213285, 6919451, 7894403, 10873423, 16385215, 23813695, 25118555, 33339173, 34597255, 39472015, 52390129, 54367115, 55260821, 76113961, 166695865, 261950645, 276304105, 366730903, 380569805, 576291419, 1833654515, 2881457095, 4034039933, 20170199665]

約数ペア:

[(1, 20170199665), (5, 4034039933), (7, 2881457095), (11, 1833654515), (35, 576291419), (53, 380569805), (55, 366730903), (73, 276304105), (77, 261950645), (121, 166695865), (265, 76113961), (365, 55260821), (371, 54367115), (385, 52390129), (511, 39472015), (583, 34597255), (605, 33339173), (803, 25118555), (847, 23813695), (1231, 16385215), (1855, 10873423), (2555, 7894403), (2915, 6919451), (3869, 5213285), (4015, 5023711), (4081, 4942465), (4235, 4762739), (5621, 3588365), (6155, 3277043), (6413, 3145205), (8617, 2340745), (8833, 2283505), (13541, 1489565), (19345, 1042657), (20405, 988493), (27083, 744755), (28105, 717673), (32065, 629041), (42559, 473935), (43085, 468149), (44165, 456701), (44891, 449315), (61831, 326215), (65243, 309155), (67705, 297913), (89863, 224455), (94787, 212795), (135415, 148951)]