20860768

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1237}}^1$

素因数の和:1295

約数の個数: 48

約数和(自身を含む): 44924544

約数和(自身を除く): 24063776

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 68, 124, 136, 248, 272, 496, 527, 544, 992, 1054, 1237, 2108, 2474, 4216, 4948, 8432, 9896, 16864, 19792, 21029, 38347, 39584, 42058, 76694, 84116, 153388, 168232, 306776, 336464, 613552, 651899, 672928, 1227104, 1303798, 2607596, 5215192, 10430384, 20860768]

約数ペア:

[(1, 20860768), (2, 10430384), (4, 5215192), (8, 2607596), (16, 1303798), (17, 1227104), (31, 672928), (32, 651899), (34, 613552), (62, 336464), (68, 306776), (124, 168232), (136, 153388), (248, 84116), (272, 76694), (496, 42058), (527, 39584), (544, 38347), (992, 21029), (1054, 19792), (1237, 16864), (2108, 9896), (2474, 8432), (4216, 4948)]