20199509548

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{238213}}^1$

素因数の和:238306

約数の個数: 48

約数和(自身を含む): 39619752480

約数和(自身を除く): 19420242932

約数列:

[1, 2, 4, 17, 29, 34, 43, 58, 68, 86, 116, 172, 493, 731, 986, 1247, 1462, 1972, 2494, 2924, 4988, 21199, 42398, 84796, 238213, 476426, 952852, 4049621, 6908177, 8099242, 10243159, 13816354, 16198484, 20486318, 27632708, 40972636, 117439009, 174133703, 234878018, 297051611, 348267406, 469756036, 594103222, 696534812, 1188206444, 5049877387, 10099754774, 20199509548]

約数ペア:

[(1, 20199509548), (2, 10099754774), (4, 5049877387), (17, 1188206444), (29, 696534812), (34, 594103222), (43, 469756036), (58, 348267406), (68, 297051611), (86, 234878018), (116, 174133703), (172, 117439009), (493, 40972636), (731, 27632708), (986, 20486318), (1247, 16198484), (1462, 13816354), (1972, 10243159), (2494, 8099242), (2924, 6908177), (4988, 4049621), (21199, 952852), (42398, 476426), (84796, 238213)]