20247863545

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1091}}^1\times {\mathrm{5827}}^1$

素因数の和:6950

約数の個数: 48

約数和(自身を含む): 30471674688

約数和(自身を除く): 10223811143

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 1091, 3185, 5455, 5827, 7637, 14183, 29135, 38185, 40789, 53459, 70915, 75751, 99281, 203945, 267295, 285523, 378755, 496405, 530257, 694967, 1427615, 2651285, 3474835, 3711799, 6357257, 18558995, 31786285, 44500799, 82644341, 222503995, 311505593, 413221705, 578510387, 1557527965, 2892551935, 4049572709, 20247863545]

約数ペア:

[(1, 20247863545), (5, 4049572709), (7, 2892551935), (13, 1557527965), (35, 578510387), (49, 413221705), (65, 311505593), (91, 222503995), (245, 82644341), (455, 44500799), (637, 31786285), (1091, 18558995), (3185, 6357257), (5455, 3711799), (5827, 3474835), (7637, 2651285), (14183, 1427615), (29135, 694967), (38185, 530257), (40789, 496405), (53459, 378755), (70915, 285523), (75751, 267295), (99281, 203945)]