20204329150

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{642427}}^1$

素因数の和:642493

約数の個数: 48

約数和(自身を含む): 40866129936

約数和(自身を除く): 20661800786

約数列:

[1, 2, 5, 10, 17, 25, 34, 37, 50, 74, 85, 170, 185, 370, 425, 629, 850, 925, 1258, 1850, 3145, 6290, 15725, 31450, 642427, 1284854, 3212135, 6424270, 10921259, 16060675, 21842518, 23769799, 32121350, 47539598, 54606295, 109212590, 118848995, 237697990, 273031475, 404086583, 546062950, 594244975, 808173166, 1188489950, 2020432915, 4040865830, 10102164575, 20204329150]

約数ペア:

[(1, 20204329150), (2, 10102164575), (5, 4040865830), (10, 2020432915), (17, 1188489950), (25, 808173166), (34, 594244975), (37, 546062950), (50, 404086583), (74, 273031475), (85, 237697990), (170, 118848995), (185, 109212590), (370, 54606295), (425, 47539598), (629, 32121350), (850, 23769799), (925, 21842518), (1258, 16060675), (1850, 10921259), (3145, 6424270), (6290, 3212135), (15725, 1284854), (31450, 642427)]