20302178799

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1\times {\mathrm{1993}}^1$

素因数の和:2464

約数の個数: 64

約数和(自身を含む): 32848358400

約数和(自身を除く): 12546179601

約数列:

[1, 3, 7, 21, 29, 43, 87, 129, 203, 301, 389, 609, 903, 1167, 1247, 1993, 2723, 3741, 5979, 8169, 8729, 11281, 13951, 16727, 26187, 33843, 41853, 50181, 57797, 78967, 85699, 117089, 173391, 236901, 257097, 351267, 404579, 485083, 599893, 775277, 1213737, 1455249, 1799679, 2325831, 2485271, 3395581, 5426939, 7455813, 10186743, 16280817, 17396897, 22483033, 33336911, 52190691, 67449099, 100010733, 157381231, 233358377, 472143693, 700075131, 966770419, 2900311257, 6767392933, 20302178799]

約数ペア:

[(1, 20302178799), (3, 6767392933), (7, 2900311257), (21, 966770419), (29, 700075131), (43, 472143693), (87, 233358377), (129, 157381231), (203, 100010733), (301, 67449099), (389, 52190691), (609, 33336911), (903, 22483033), (1167, 17396897), (1247, 16280817), (1993, 10186743), (2723, 7455813), (3741, 5426939), (5979, 3395581), (8169, 2485271), (8729, 2325831), (11281, 1799679), (13951, 1455249), (16727, 1213737), (26187, 775277), (33843, 599893), (41853, 485083), (50181, 404579), (57797, 351267), (78967, 257097), (85699, 236901), (117089, 173391)]