20131808

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1609}}^1$

素因数の和:1659

約数の個数: 48

約数和(自身を含む): 43817760

約数和(自身を除く): 23685952

約数列:

[1, 2, 4, 8, 16, 17, 23, 32, 34, 46, 68, 92, 136, 184, 272, 368, 391, 544, 736, 782, 1564, 1609, 3128, 3218, 6256, 6436, 12512, 12872, 25744, 27353, 37007, 51488, 54706, 74014, 109412, 148028, 218824, 296056, 437648, 592112, 629119, 875296, 1184224, 1258238, 2516476, 5032952, 10065904, 20131808]

約数ペア:

[(1, 20131808), (2, 10065904), (4, 5032952), (8, 2516476), (16, 1258238), (17, 1184224), (23, 875296), (32, 629119), (34, 592112), (46, 437648), (68, 296056), (92, 218824), (136, 148028), (184, 109412), (272, 74014), (368, 54706), (391, 51488), (544, 37007), (736, 27353), (782, 25744), (1564, 12872), (1609, 12512), (3128, 6436), (3218, 6256)]