20157306065

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1291}}^1\times {\mathrm{2699}}^1$

素因数の和:4097

約数の個数: 32

約数和(自身を含む): 26372304000

約数和(自身を除く): 6214997935

約数列:

[1, 5, 13, 65, 89, 445, 1157, 1291, 2699, 5785, 6455, 13495, 16783, 35087, 83915, 114899, 175435, 240211, 574495, 1201055, 1493687, 3122743, 3484409, 7468435, 15613715, 17422045, 45297317, 226486585, 310112401, 1550562005, 4031461213, 20157306065]

約数ペア:

[(1, 20157306065), (5, 4031461213), (13, 1550562005), (65, 310112401), (89, 226486585), (445, 45297317), (1157, 17422045), (1291, 15613715), (2699, 7468435), (5785, 3484409), (6455, 3122743), (13495, 1493687), (16783, 1201055), (35087, 574495), (83915, 240211), (114899, 175435)]