20706426

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{827}}^1$

素因数の和:955

約数の個数: 48

約数和(自身を含む): 48825504

約数和(自身を除く): 28119078

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 107, 117, 214, 234, 321, 642, 827, 963, 1391, 1654, 1926, 2481, 2782, 4173, 4962, 7443, 8346, 10751, 12519, 14886, 21502, 25038, 32253, 64506, 88489, 96759, 176978, 193518, 265467, 530934, 796401, 1150357, 1592802, 2300714, 3451071, 6902142, 10353213, 20706426]

約数ペア:

[(1, 20706426), (2, 10353213), (3, 6902142), (6, 3451071), (9, 2300714), (13, 1592802), (18, 1150357), (26, 796401), (39, 530934), (78, 265467), (107, 193518), (117, 176978), (214, 96759), (234, 88489), (321, 64506), (642, 32253), (827, 25038), (963, 21502), (1391, 14886), (1654, 12519), (1926, 10751), (2481, 8346), (2782, 7443), (4173, 4962)]