20459696

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1049}}^1$

素因数の和:1133

約数の個数: 40

約数和(自身を含む): 42184800

約数和(自身を除く): 21725104

約数列:

[1, 2, 4, 8, 16, 23, 46, 53, 92, 106, 184, 212, 368, 424, 848, 1049, 1219, 2098, 2438, 4196, 4876, 8392, 9752, 16784, 19504, 24127, 48254, 55597, 96508, 111194, 193016, 222388, 386032, 444776, 889552, 1278731, 2557462, 5114924, 10229848, 20459696]

約数ペア:

[(1, 20459696), (2, 10229848), (4, 5114924), (8, 2557462), (16, 1278731), (23, 889552), (46, 444776), (53, 386032), (92, 222388), (106, 193016), (184, 111194), (212, 96508), (368, 55597), (424, 48254), (848, 24127), (1049, 19504), (1219, 16784), (2098, 9752), (2438, 8392), (4196, 4876)]