20687535265

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{233}}^1\times {\mathrm{337}}^1$

素因数の和:706

約数の個数: 64

約数和(自身を含む): 27334195200

約数和(自身を除く): 6646659935

約数列:

[1, 5, 23, 29, 79, 115, 145, 233, 337, 395, 667, 1165, 1685, 1817, 2291, 3335, 5359, 6757, 7751, 9085, 9773, 11455, 18407, 26623, 26795, 33785, 38755, 48865, 52693, 78521, 92035, 133115, 155411, 224779, 263465, 392605, 423361, 533803, 612329, 772067, 777055, 1123895, 1805983, 2116805, 2277109, 2669015, 3061645, 3860335, 6203159, 9029915, 11385545, 12277469, 17757541, 31015795, 52373507, 61387345, 88787705, 142672657, 179891611, 261867535, 713363285, 899458055, 4137507053, 20687535265]

約数ペア:

[(1, 20687535265), (5, 4137507053), (23, 899458055), (29, 713363285), (79, 261867535), (115, 179891611), (145, 142672657), (233, 88787705), (337, 61387345), (395, 52373507), (667, 31015795), (1165, 17757541), (1685, 12277469), (1817, 11385545), (2291, 9029915), (3335, 6203159), (5359, 3860335), (6757, 3061645), (7751, 2669015), (9085, 2277109), (9773, 2116805), (11455, 1805983), (18407, 1123895), (26623, 777055), (26795, 772067), (33785, 612329), (38755, 533803), (48865, 423361), (52693, 392605), (78521, 263465), (92035, 224779), (133115, 155411)]