20163656653

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{167}}^1\times {\mathrm{191}}^1$

素因数の和:495

約数の個数: 64

約数和(自身を含む): 25288704000

約数和(自身を除く): 5125047347

約数列:

[1, 7, 19, 49, 97, 133, 167, 191, 343, 679, 931, 1169, 1337, 1843, 3173, 3629, 4753, 6517, 8183, 9359, 12901, 16199, 18527, 22211, 25403, 31897, 33271, 57281, 65513, 90307, 113393, 129689, 155477, 177821, 223279, 307781, 352013, 606043, 632149, 793751, 907823, 1088339, 1244747, 1562953, 2154467, 2464091, 3094009, 4242301, 5556257, 6354761, 10940671, 15081269, 17248637, 21658063, 29696107, 58786171, 105568883, 120740459, 151606441, 207872749, 411503197, 1061245087, 2880522379, 20163656653]

約数ペア:

[(1, 20163656653), (7, 2880522379), (19, 1061245087), (49, 411503197), (97, 207872749), (133, 151606441), (167, 120740459), (191, 105568883), (343, 58786171), (679, 29696107), (931, 21658063), (1169, 17248637), (1337, 15081269), (1843, 10940671), (3173, 6354761), (3629, 5556257), (4753, 4242301), (6517, 3094009), (8183, 2464091), (9359, 2154467), (12901, 1562953), (16199, 1244747), (18527, 1088339), (22211, 907823), (25403, 793751), (31897, 632149), (33271, 606043), (57281, 352013), (65513, 307781), (90307, 223279), (113393, 177821), (129689, 155477)]