20123498330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{191}}^1\times {\mathrm{211}}^1$

素因数の和:612

約数の個数: 128

約数和(自身を含む): 41357869056

約数和(自身を除く): 21234370726

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 167, 191, 211, 230, 299, 334, 382, 422, 598, 835, 955, 1055, 1495, 1670, 1910, 2110, 2171, 2483, 2743, 2990, 3841, 4342, 4393, 4853, 4966, 5486, 7682, 8786, 9706, 10855, 12415, 13715, 19205, 21710, 21965, 24265, 24830, 27430, 31897, 35237, 38410, 40301, 43930, 48530, 49933, 57109, 63089, 63794, 70474, 80602, 99866, 114218, 126178, 159485, 176185, 201505, 249665, 285545, 315445, 318970, 352370, 403010, 414661, 458081, 499330, 523913, 571090, 630890, 733631, 810451, 829322, 916162, 926923, 1047826, 1467262, 1620902, 1853846, 2073305, 2290405, 2619565, 3668155, 4052255, 4146610, 4580810, 4634615, 5239130, 6730267, 7336310, 8104510, 9269230, 9537203, 10535863, 12049999, 13460534, 19074406, 21071726, 24099998, 33651335, 47686015, 52679315, 60249995, 67302670, 87493471, 95372030, 105358630, 120499990, 154796141, 174986942, 309592282, 437467355, 773980705, 874934710, 1547961410, 2012349833, 4024699666, 10061749165, 20123498330]

約数ペア:

[(1, 20123498330), (2, 10061749165), (5, 4024699666), (10, 2012349833), (13, 1547961410), (23, 874934710), (26, 773980705), (46, 437467355), (65, 309592282), (115, 174986942), (130, 154796141), (167, 120499990), (191, 105358630), (211, 95372030), (230, 87493471), (299, 67302670), (334, 60249995), (382, 52679315), (422, 47686015), (598, 33651335), (835, 24099998), (955, 21071726), (1055, 19074406), (1495, 13460534), (1670, 12049999), (1910, 10535863), (2110, 9537203), (2171, 9269230), (2483, 8104510), (2743, 7336310), (2990, 6730267), (3841, 5239130), (4342, 4634615), (4393, 4580810), (4853, 4146610), (4966, 4052255), (5486, 3668155), (7682, 2619565), (8786, 2290405), (9706, 2073305), (10855, 1853846), (12415, 1620902), (13715, 1467262), (19205, 1047826), (21710, 926923), (21965, 916162), (24265, 829322), (24830, 810451), (27430, 733631), (31897, 630890), (35237, 571090), (38410, 523913), (40301, 499330), (43930, 458081), (48530, 414661), (49933, 403010), (57109, 352370), (63089, 318970), (63794, 315445), (70474, 285545), (80602, 249665), (99866, 201505), (114218, 176185), (126178, 159485)]