20216021278

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{619}}^1\times {\mathrm{4051}}^1$

素因数の和:4840

約数の個数: 32

約数和(自身を含む): 31654224000

約数和(自身を除く): 11438202722

約数列:

[1, 2, 29, 58, 139, 278, 619, 1238, 4031, 4051, 8062, 8102, 17951, 35902, 86041, 117479, 172082, 234958, 563089, 1126178, 2495189, 2507569, 4990378, 5015138, 16329581, 32659162, 72719501, 145439002, 348552091, 697104182, 10108010639, 20216021278]

約数ペア:

[(1, 20216021278), (2, 10108010639), (29, 697104182), (58, 348552091), (139, 145439002), (278, 72719501), (619, 32659162), (1238, 16329581), (4031, 5015138), (4051, 4990378), (8062, 2507569), (8102, 2495189), (17951, 1126178), (35902, 563089), (86041, 234958), (117479, 172082)]