20105992565

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{2671}}^1$

素因数の和:2850

約数の個数: 64

約数和(自身を含む): 27703296000

約数和(自身を除く): 7597303435

約数列:

[1, 5, 17, 19, 59, 79, 85, 95, 295, 323, 395, 1003, 1121, 1343, 1501, 1615, 2671, 4661, 5015, 5605, 6715, 7505, 13355, 19057, 23305, 25517, 45407, 50749, 79237, 88559, 95285, 127585, 157589, 211009, 227035, 253745, 396185, 442795, 787945, 862733, 1055045, 1505503, 2679013, 2994191, 3587153, 4009171, 4313665, 7527515, 12449531, 13395065, 14970955, 17935765, 20045855, 50901247, 62247655, 68155907, 211642027, 236541089, 254506235, 340779535, 1058210135, 1182705445, 4021198513, 20105992565]

約数ペア:

[(1, 20105992565), (5, 4021198513), (17, 1182705445), (19, 1058210135), (59, 340779535), (79, 254506235), (85, 236541089), (95, 211642027), (295, 68155907), (323, 62247655), (395, 50901247), (1003, 20045855), (1121, 17935765), (1343, 14970955), (1501, 13395065), (1615, 12449531), (2671, 7527515), (4661, 4313665), (5015, 4009171), (5605, 3587153), (6715, 2994191), (7505, 2679013), (13355, 1505503), (19057, 1055045), (23305, 862733), (25517, 787945), (45407, 442795), (50749, 396185), (79237, 253745), (88559, 227035), (95285, 211009), (127585, 157589)]