20200104

素因数分解:

$2^3\times 3^5\times {\mathrm{10391}}^1$

素因数の和:10412

約数の個数: 48

約数和(自身を含む): 56740320

約数和(自身を除く): 36540216

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 243, 324, 486, 648, 972, 1944, 10391, 20782, 31173, 41564, 62346, 83128, 93519, 124692, 187038, 249384, 280557, 374076, 561114, 748152, 841671, 1122228, 1683342, 2244456, 2525013, 3366684, 5050026, 6733368, 10100052, 20200104]

約数ペア:

[(1, 20200104), (2, 10100052), (3, 6733368), (4, 5050026), (6, 3366684), (8, 2525013), (9, 2244456), (12, 1683342), (18, 1122228), (24, 841671), (27, 748152), (36, 561114), (54, 374076), (72, 280557), (81, 249384), (108, 187038), (162, 124692), (216, 93519), (243, 83128), (324, 62346), (486, 41564), (648, 31173), (972, 20782), (1944, 10391)]