20996870505

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{350737}}^1$

素因数の和:351065

約数の個数: 32

約数和(自身を含む): 36297174144

約数和(自身を除く): 15300303639

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 307, 921, 1535, 3991, 4605, 11973, 19955, 59865, 350737, 1052211, 1753685, 4559581, 5261055, 13678743, 22797905, 68393715, 107676259, 323028777, 538381295, 1399791367, 1615143885, 4199374101, 6998956835, 20996870505]

約数ペア:

[(1, 20996870505), (3, 6998956835), (5, 4199374101), (13, 1615143885), (15, 1399791367), (39, 538381295), (65, 323028777), (195, 107676259), (307, 68393715), (921, 22797905), (1535, 13678743), (3991, 5261055), (4605, 4559581), (11973, 1753685), (19955, 1052211), (59865, 350737)]