20157390

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{617}}^1$

素因数の和:655

約数の個数: 96

約数和(自身を含む): 59179680

約数和(自身を除く): 39022290

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 54, 55, 66, 90, 99, 110, 121, 135, 165, 198, 242, 270, 297, 330, 363, 495, 594, 605, 617, 726, 990, 1089, 1210, 1234, 1485, 1815, 1851, 2178, 2970, 3085, 3267, 3630, 3702, 5445, 5553, 6170, 6534, 6787, 9255, 10890, 11106, 13574, 16335, 16659, 18510, 20361, 27765, 32670, 33318, 33935, 40722, 55530, 61083, 67870, 74657, 83295, 101805, 122166, 149314, 166590, 183249, 203610, 223971, 305415, 366498, 373285, 447942, 610830, 671913, 746570, 916245, 1119855, 1343826, 1832490, 2015739, 2239710, 3359565, 4031478, 6719130, 10078695, 20157390]

約数ペア:

[(1, 20157390), (2, 10078695), (3, 6719130), (5, 4031478), (6, 3359565), (9, 2239710), (10, 2015739), (11, 1832490), (15, 1343826), (18, 1119855), (22, 916245), (27, 746570), (30, 671913), (33, 610830), (45, 447942), (54, 373285), (55, 366498), (66, 305415), (90, 223971), (99, 203610), (110, 183249), (121, 166590), (135, 149314), (165, 122166), (198, 101805), (242, 83295), (270, 74657), (297, 67870), (330, 61083), (363, 55530), (495, 40722), (594, 33935), (605, 33318), (617, 32670), (726, 27765), (990, 20361), (1089, 18510), (1210, 16659), (1234, 16335), (1485, 13574), (1815, 11106), (1851, 10890), (2178, 9255), (2970, 6787), (3085, 6534), (3267, 6170), (3630, 5553), (3702, 5445)]