20366921084

素因数分解:

$2^2\times {\mathrm{23}}^2\times {\mathrm{101}}^1\times {\mathrm{157}}^1\times {\mathrm{607}}^1$

素因数の和:915

約数の個数: 72

約数和(自身を含む): 37930101888

約数和(自身を除く): 17563180804

約数列:

[1, 2, 4, 23, 46, 92, 101, 157, 202, 314, 404, 529, 607, 628, 1058, 1214, 2116, 2323, 2428, 3611, 4646, 7222, 9292, 13961, 14444, 15857, 27922, 31714, 53429, 55844, 61307, 63428, 83053, 95299, 106858, 122614, 166106, 190598, 213716, 245228, 321103, 332212, 364711, 381196, 642206, 729422, 1284412, 1410061, 1458844, 2191877, 2820122, 4383754, 5640244, 8388353, 8767508, 9625199, 16776706, 19250398, 32431403, 33553412, 38500796, 50413171, 64862806, 100826342, 129725612, 201652684, 221379577, 442759154, 885518308, 5091730271, 10183460542, 20366921084]

約数ペア:

[(1, 20366921084), (2, 10183460542), (4, 5091730271), (23, 885518308), (46, 442759154), (92, 221379577), (101, 201652684), (157, 129725612), (202, 100826342), (314, 64862806), (404, 50413171), (529, 38500796), (607, 33553412), (628, 32431403), (1058, 19250398), (1214, 16776706), (2116, 9625199), (2323, 8767508), (2428, 8388353), (3611, 5640244), (4646, 4383754), (7222, 2820122), (9292, 2191877), (13961, 1458844), (14444, 1410061), (15857, 1284412), (27922, 729422), (31714, 642206), (53429, 381196), (55844, 364711), (61307, 332212), (63428, 321103), (83053, 245228), (95299, 213716), (106858, 190598), (122614, 166106)]