20194127751

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{809}}^1\times {\mathrm{857}}^1$

素因数の和:1768

約数の個数: 64

約数和(自身を含む): 32914252800

約数和(自身を除く): 12720125049

約数列:

[1, 3, 7, 19, 21, 57, 73, 133, 219, 399, 511, 809, 857, 1387, 1533, 2427, 2571, 4161, 5663, 5999, 9709, 15371, 16283, 16989, 17997, 29127, 46113, 48849, 59057, 62561, 107597, 113981, 177171, 187683, 322791, 341943, 413399, 437927, 693313, 1122083, 1188659, 1240197, 1313781, 2079939, 3366249, 3565977, 4853191, 7854581, 8320613, 13172947, 14559573, 23563743, 24961839, 39518841, 50611849, 92210629, 151835547, 276631887, 354282943, 961625131, 1062848829, 2884875393, 6731375917, 20194127751]

約数ペア:

[(1, 20194127751), (3, 6731375917), (7, 2884875393), (19, 1062848829), (21, 961625131), (57, 354282943), (73, 276631887), (133, 151835547), (219, 92210629), (399, 50611849), (511, 39518841), (809, 24961839), (857, 23563743), (1387, 14559573), (1533, 13172947), (2427, 8320613), (2571, 7854581), (4161, 4853191), (5663, 3565977), (5999, 3366249), (9709, 2079939), (15371, 1313781), (16283, 1240197), (16989, 1188659), (17997, 1122083), (29127, 693313), (46113, 437927), (48849, 413399), (59057, 341943), (62561, 322791), (107597, 187683), (113981, 177171)]