20693284

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 40715136

約数和(自身を除く): 20021852

約数列:

[1, 2, 4, 17, 23, 34, 46, 68, 92, 101, 131, 202, 262, 391, 404, 524, 782, 1564, 1717, 2227, 2323, 3013, 3434, 4454, 4646, 6026, 6868, 8908, 9292, 12052, 13231, 26462, 39491, 51221, 52924, 78982, 102442, 157964, 204884, 224927, 304313, 449854, 608626, 899708, 1217252, 5173321, 10346642, 20693284]

約数ペア:

[(1, 20693284), (2, 10346642), (4, 5173321), (17, 1217252), (23, 899708), (34, 608626), (46, 449854), (68, 304313), (92, 224927), (101, 204884), (131, 157964), (202, 102442), (262, 78982), (391, 52924), (404, 51221), (524, 39491), (782, 26462), (1564, 13231), (1717, 12052), (2227, 9292), (2323, 8908), (3013, 6868), (3434, 6026), (4454, 4646)]