20212296727

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{1237}}^1$

素因数の和:1516

約数の個数: 48

約数和(自身を含む): 25285030848

約数和(自身を除く): 5072734121

約数列:

[1, 7, 17, 41, 119, 197, 287, 289, 697, 1237, 1379, 2023, 3349, 4879, 8077, 8659, 11849, 21029, 23443, 50717, 56539, 56933, 82943, 137309, 147203, 243689, 355019, 357493, 398531, 862189, 961163, 1705823, 2334253, 2502451, 4142713, 6035323, 9991249, 14657213, 16339771, 28998991, 69938743, 70426121, 102600491, 169851233, 492982847, 1188958631, 2887470961, 20212296727]

約数ペア:

[(1, 20212296727), (7, 2887470961), (17, 1188958631), (41, 492982847), (119, 169851233), (197, 102600491), (287, 70426121), (289, 69938743), (697, 28998991), (1237, 16339771), (1379, 14657213), (2023, 9991249), (3349, 6035323), (4879, 4142713), (8077, 2502451), (8659, 2334253), (11849, 1705823), (21029, 961163), (23443, 862189), (50717, 398531), (56539, 357493), (56933, 355019), (82943, 243689), (137309, 147203)]