20929125080

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{5683}}^1\times {\mathrm{4003}}^1$

素因数の和:9720

約数の個数: 64

約数和(自身を含む): 49158869760

約数和(自身を除く): 28229744680

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 4003, 5683, 8006, 11366, 16012, 20015, 22732, 28415, 32024, 40030, 45464, 56830, 80060, 92069, 113660, 130709, 160120, 184138, 227320, 261418, 368276, 460345, 522836, 653545, 736552, 920690, 1045672, 1307090, 1841380, 2614180, 3682760, 5228360, 22749049, 45498098, 90996196, 113745245, 181992392, 227490490, 454980980, 523228127, 909961960, 1046456254, 2092912508, 2616140635, 4185825016, 5232281270, 10464562540, 20929125080]

約数ペア:

[(1, 20929125080), (2, 10464562540), (4, 5232281270), (5, 4185825016), (8, 2616140635), (10, 2092912508), (20, 1046456254), (23, 909961960), (40, 523228127), (46, 454980980), (92, 227490490), (115, 181992392), (184, 113745245), (230, 90996196), (460, 45498098), (920, 22749049), (4003, 5228360), (5683, 3682760), (8006, 2614180), (11366, 1841380), (16012, 1307090), (20015, 1045672), (22732, 920690), (28415, 736552), (32024, 653545), (40030, 522836), (45464, 460345), (56830, 368276), (80060, 261418), (92069, 227320), (113660, 184138), (130709, 160120)]