20004001004

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{733}}^1\times {\mathrm{1951}}^1$

素因数の和:2970

約数の個数: 48

約数和(自身を含む): 37911041280

約数和(自身を除く): 17907040276

約数列:

[1, 2, 4, 13, 26, 52, 269, 538, 733, 1076, 1466, 1951, 2932, 3497, 3902, 6994, 7804, 9529, 13988, 19058, 25363, 38116, 50726, 101452, 197177, 394354, 524819, 788708, 1049638, 1430083, 2099276, 2563301, 2860166, 5126602, 5720332, 6822647, 10253204, 13645294, 18591079, 27290588, 37182158, 74364316, 384692327, 769384654, 1538769308, 5001000251, 10002000502, 20004001004]

約数ペア:

[(1, 20004001004), (2, 10002000502), (4, 5001000251), (13, 1538769308), (26, 769384654), (52, 384692327), (269, 74364316), (538, 37182158), (733, 27290588), (1076, 18591079), (1466, 13645294), (1951, 10253204), (2932, 6822647), (3497, 5720332), (3902, 5126602), (6994, 2860166), (7804, 2563301), (9529, 2099276), (13988, 1430083), (19058, 1049638), (25363, 788708), (38116, 524819), (50726, 394354), (101452, 197177)]