20291215395

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{9973}}^1$

素因数の和:10081

約数の個数: 96

約数和(自身を含む): 38204409600

約数和(自身を除く): 17913194205

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 59, 95, 121, 165, 177, 209, 285, 295, 363, 605, 627, 649, 885, 1045, 1121, 1815, 1947, 2299, 3135, 3245, 3363, 5605, 6897, 7139, 9735, 9973, 11495, 12331, 16815, 21417, 29919, 34485, 35695, 36993, 49865, 61655, 107085, 109703, 135641, 149595, 184965, 189487, 329109, 406923, 548515, 568461, 588407, 678205, 947435, 1206733, 1645545, 1765221, 2034615, 2084357, 2842305, 2942035, 3620199, 6033665, 6253071, 6472477, 8826105, 10421785, 11179733, 18100995, 19417431, 22927927, 31265355, 32362385, 33539199, 55898665, 68783781, 71197247, 97087155, 114639635, 122977063, 167695995, 213591741, 343918905, 355986235, 368931189, 614885315, 1067958705, 1352747693, 1844655945, 4058243079, 6763738465, 20291215395]

約数ペア:

[(1, 20291215395), (3, 6763738465), (5, 4058243079), (11, 1844655945), (15, 1352747693), (19, 1067958705), (33, 614885315), (55, 368931189), (57, 355986235), (59, 343918905), (95, 213591741), (121, 167695995), (165, 122977063), (177, 114639635), (209, 97087155), (285, 71197247), (295, 68783781), (363, 55898665), (605, 33539199), (627, 32362385), (649, 31265355), (885, 22927927), (1045, 19417431), (1121, 18100995), (1815, 11179733), (1947, 10421785), (2299, 8826105), (3135, 6472477), (3245, 6253071), (3363, 6033665), (5605, 3620199), (6897, 2942035), (7139, 2842305), (9735, 2084357), (9973, 2034615), (11495, 1765221), (12331, 1645545), (16815, 1206733), (21417, 947435), (29919, 678205), (34485, 588407), (35695, 568461), (36993, 548515), (49865, 406923), (61655, 329109), (107085, 189487), (109703, 184965), (135641, 149595)]