20181763632

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{257473}}^1$

素因数の和:257578

約数の個数: 80

約数和(自身を含む): 55169468928

約数和(自身を除く): 34987705296

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 69, 71, 92, 138, 142, 184, 213, 276, 284, 368, 426, 552, 568, 852, 1104, 1136, 1633, 1704, 3266, 3408, 4899, 6532, 9798, 13064, 19596, 26128, 39192, 78384, 257473, 514946, 772419, 1029892, 1544838, 2059784, 3089676, 4119568, 5921879, 6179352, 11843758, 12358704, 17765637, 18280583, 23687516, 35531274, 36561166, 47375032, 54841749, 71062548, 73122332, 94750064, 109683498, 142125096, 146244664, 219366996, 284250192, 292489328, 420453409, 438733992, 840906818, 877467984, 1261360227, 1681813636, 2522720454, 3363627272, 5045440908, 6727254544, 10090881816, 20181763632]

約数ペア:

[(1, 20181763632), (2, 10090881816), (3, 6727254544), (4, 5045440908), (6, 3363627272), (8, 2522720454), (12, 1681813636), (16, 1261360227), (23, 877467984), (24, 840906818), (46, 438733992), (48, 420453409), (69, 292489328), (71, 284250192), (92, 219366996), (138, 146244664), (142, 142125096), (184, 109683498), (213, 94750064), (276, 73122332), (284, 71062548), (368, 54841749), (426, 47375032), (552, 36561166), (568, 35531274), (852, 23687516), (1104, 18280583), (1136, 17765637), (1633, 12358704), (1704, 11843758), (3266, 6179352), (3408, 5921879), (4899, 4119568), (6532, 3089676), (9798, 2059784), (13064, 1544838), (19596, 1029892), (26128, 772419), (39192, 514946), (78384, 257473)]