20145884

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1171}}^1$

素因数の和:1226

約数の個数: 48

約数和(自身を含む): 42529536

約数和(自身を除く): 22383652

約数列:

[1, 2, 4, 11, 17, 22, 23, 34, 44, 46, 68, 92, 187, 253, 374, 391, 506, 748, 782, 1012, 1171, 1564, 2342, 4301, 4684, 8602, 12881, 17204, 19907, 25762, 26933, 39814, 51524, 53866, 79628, 107732, 218977, 296263, 437954, 457861, 592526, 875908, 915722, 1185052, 1831444, 5036471, 10072942, 20145884]

約数ペア:

[(1, 20145884), (2, 10072942), (4, 5036471), (11, 1831444), (17, 1185052), (22, 915722), (23, 875908), (34, 592526), (44, 457861), (46, 437954), (68, 296263), (92, 218977), (187, 107732), (253, 79628), (374, 53866), (391, 51524), (506, 39814), (748, 26933), (782, 25762), (1012, 19907), (1171, 17204), (1564, 12881), (2342, 8602), (4301, 4684)]