20454196

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{443}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 43860096

約数和(自身を除く): 23405900

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 97, 119, 194, 238, 388, 443, 476, 679, 886, 1358, 1649, 1772, 2716, 3101, 3298, 6202, 6596, 7531, 11543, 12404, 15062, 23086, 30124, 42971, 46172, 52717, 85942, 105434, 171884, 210868, 300797, 601594, 730507, 1203188, 1461014, 2922028, 5113549, 10227098, 20454196]

約数ペア:

[(1, 20454196), (2, 10227098), (4, 5113549), (7, 2922028), (14, 1461014), (17, 1203188), (28, 730507), (34, 601594), (68, 300797), (97, 210868), (119, 171884), (194, 105434), (238, 85942), (388, 52717), (443, 46172), (476, 42971), (679, 30124), (886, 23086), (1358, 15062), (1649, 12404), (1772, 11543), (2716, 7531), (3101, 6596), (3298, 6202)]