20163553175

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{401}}^1\times {\mathrm{557}}^1$

素因数の和:1148

約数の個数: 48

約数和(自身を含む): 26368794432

約数和(自身を除く): 6205241257

約数列:

[1, 5, 23, 25, 115, 157, 401, 557, 575, 785, 2005, 2785, 3611, 3925, 9223, 10025, 12811, 13925, 18055, 46115, 62957, 64055, 87449, 90275, 223357, 230575, 314785, 320275, 437245, 1116785, 1448011, 1573925, 2011327, 2186225, 5137211, 5583925, 7240055, 10056635, 25686055, 35067049, 36200275, 50283175, 128430275, 175335245, 806542127, 876676225, 4032710635, 20163553175]

約数ペア:

[(1, 20163553175), (5, 4032710635), (23, 876676225), (25, 806542127), (115, 175335245), (157, 128430275), (401, 50283175), (557, 36200275), (575, 35067049), (785, 25686055), (2005, 10056635), (2785, 7240055), (3611, 5583925), (3925, 5137211), (9223, 2186225), (10025, 2011327), (12811, 1573925), (13925, 1448011), (18055, 1116785), (46115, 437245), (62957, 320275), (64055, 314785), (87449, 230575), (90275, 223357)]