20128946799

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{461}}^1\times {\mathrm{4889}}^1$

素因数の和:5595

約数の個数: 32

約数和(自身を含む): 29098238400

約数和(自身を除く): 8969291601

約数列:

[1, 3, 13, 39, 229, 461, 687, 1383, 2977, 4889, 5993, 8931, 14667, 17979, 63557, 105569, 190671, 316707, 1119581, 1372397, 2253829, 3358743, 4117191, 6761487, 14554553, 29299777, 43663659, 87899331, 516126841, 1548380523, 6709648933, 20128946799]

約数ペア:

[(1, 20128946799), (3, 6709648933), (13, 1548380523), (39, 516126841), (229, 87899331), (461, 43663659), (687, 29299777), (1383, 14554553), (2977, 6761487), (4889, 4117191), (5993, 3358743), (8931, 2253829), (14667, 1372397), (17979, 1119581), (63557, 316707), (105569, 190671)]