20508724304

素因数分解:

$2^4\times {\mathrm{281}}^1\times {\mathrm{1297}}^1\times {\mathrm{3517}}^1$

素因数の和:5103

約数の個数: 40

約数和(自身を含む): 39919154088

約数和(自身を除く): 19410429784

約数列:

[1, 2, 4, 8, 16, 281, 562, 1124, 1297, 2248, 2594, 3517, 4496, 5188, 7034, 10376, 14068, 20752, 28136, 56272, 364457, 728914, 988277, 1457828, 1976554, 2915656, 3953108, 4561549, 5831312, 7906216, 9123098, 15812432, 18246196, 36492392, 72984784, 1281795269, 2563590538, 5127181076, 10254362152, 20508724304]

約数ペア:

[(1, 20508724304), (2, 10254362152), (4, 5127181076), (8, 2563590538), (16, 1281795269), (281, 72984784), (562, 36492392), (1124, 18246196), (1297, 15812432), (2248, 9123098), (2594, 7906216), (3517, 5831312), (4496, 4561549), (5188, 3953108), (7034, 2915656), (10376, 1976554), (14068, 1457828), (20752, 988277), (28136, 728914), (56272, 364457)]