20178394845

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{571}}^1\times {\mathrm{14633}}^1$

素因数の和:15242

約数の個数: 64

約数和(自身を含む): 38571945984

約数和(自身を除く): 18393551139

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 105, 115, 161, 345, 483, 571, 805, 1713, 2415, 2855, 3997, 8565, 11991, 13133, 14633, 19985, 39399, 43899, 59955, 65665, 73165, 91931, 102431, 196995, 219495, 275793, 307293, 336559, 459655, 512155, 1009677, 1378965, 1536465, 1682795, 2355913, 5048385, 7067739, 8355443, 11779565, 25066329, 35338695, 41777215, 58488101, 125331645, 175464303, 192175189, 292440505, 576525567, 877321515, 960875945, 1345226323, 2882627835, 4035678969, 6726131615, 20178394845]

約数ペア:

[(1, 20178394845), (3, 6726131615), (5, 4035678969), (7, 2882627835), (15, 1345226323), (21, 960875945), (23, 877321515), (35, 576525567), (69, 292440505), (105, 192175189), (115, 175464303), (161, 125331645), (345, 58488101), (483, 41777215), (571, 35338695), (805, 25066329), (1713, 11779565), (2415, 8355443), (2855, 7067739), (3997, 5048385), (8565, 2355913), (11991, 1682795), (13133, 1536465), (14633, 1378965), (19985, 1009677), (39399, 512155), (43899, 459655), (59955, 336559), (65665, 307293), (73165, 275793), (91931, 219495), (102431, 196995)]