20281952

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1621}}^1$

素因数の和:1671

約数の個数: 48

約数和(自身を含む): 44144352

約数和(自身を除く): 23862400

約数列:

[1, 2, 4, 8, 16, 17, 23, 32, 34, 46, 68, 92, 136, 184, 272, 368, 391, 544, 736, 782, 1564, 1621, 3128, 3242, 6256, 6484, 12512, 12968, 25936, 27557, 37283, 51872, 55114, 74566, 110228, 149132, 220456, 298264, 440912, 596528, 633811, 881824, 1193056, 1267622, 2535244, 5070488, 10140976, 20281952]

約数ペア:

[(1, 20281952), (2, 10140976), (4, 5070488), (8, 2535244), (16, 1267622), (17, 1193056), (23, 881824), (32, 633811), (34, 596528), (46, 440912), (68, 298264), (92, 220456), (136, 149132), (184, 110228), (272, 74566), (368, 55114), (391, 51872), (544, 37283), (736, 27557), (782, 25936), (1564, 12968), (1621, 12512), (3128, 6484), (3242, 6256)]