20616120

素因数分解:

$2^3\times 3^6\times 5^1\times 7^1\times {\mathrm{101}}^1$

素因数の和:137

約数の個数: 224

約数和(自身を含む): 80269920

約数和(自身を除く): 59653800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 81, 84, 90, 101, 105, 108, 120, 126, 135, 140, 162, 168, 180, 189, 202, 210, 216, 243, 252, 270, 280, 303, 315, 324, 360, 378, 404, 405, 420, 486, 504, 505, 540, 567, 606, 630, 648, 707, 729, 756, 808, 810, 840, 909, 945, 972, 1010, 1080, 1134, 1212, 1215, 1260, 1414, 1458, 1512, 1515, 1620, 1701, 1818, 1890, 1944, 2020, 2121, 2268, 2424, 2430, 2520, 2727, 2828, 2835, 2916, 3030, 3240, 3402, 3535, 3636, 3645, 3780, 4040, 4242, 4536, 4545, 4860, 5103, 5454, 5656, 5670, 5832, 6060, 6363, 6804, 7070, 7272, 7290, 7560, 8181, 8484, 8505, 9090, 9720, 10206, 10605, 10908, 11340, 12120, 12726, 13608, 13635, 14140, 14580, 16362, 16968, 17010, 18180, 19089, 20412, 21210, 21816, 22680, 24543, 25452, 25515, 27270, 28280, 29160, 31815, 32724, 34020, 36360, 38178, 40824, 40905, 42420, 49086, 50904, 51030, 54540, 57267, 63630, 65448, 68040, 73629, 76356, 81810, 84840, 95445, 98172, 102060, 109080, 114534, 122715, 127260, 147258, 152712, 163620, 171801, 190890, 196344, 204120, 229068, 245430, 254520, 286335, 294516, 327240, 343602, 368145, 381780, 458136, 490860, 515403, 572670, 589032, 687204, 736290, 763560, 859005, 981720, 1030806, 1145340, 1374408, 1472580, 1718010, 2061612, 2290680, 2577015, 2945160, 3436020, 4123224, 5154030, 6872040, 10308060, 20616120]

約数ペア:

[(1, 20616120), (2, 10308060), (3, 6872040), (4, 5154030), (5, 4123224), (6, 3436020), (7, 2945160), (8, 2577015), (9, 2290680), (10, 2061612), (12, 1718010), (14, 1472580), (15, 1374408), (18, 1145340), (20, 1030806), (21, 981720), (24, 859005), (27, 763560), (28, 736290), (30, 687204), (35, 589032), (36, 572670), (40, 515403), (42, 490860), (45, 458136), (54, 381780), (56, 368145), (60, 343602), (63, 327240), (70, 294516), (72, 286335), (81, 254520), (84, 245430), (90, 229068), (101, 204120), (105, 196344), (108, 190890), (120, 171801), (126, 163620), (135, 152712), (140, 147258), (162, 127260), (168, 122715), (180, 114534), (189, 109080), (202, 102060), (210, 98172), (216, 95445), (243, 84840), (252, 81810), (270, 76356), (280, 73629), (303, 68040), (315, 65448), (324, 63630), (360, 57267), (378, 54540), (404, 51030), (405, 50904), (420, 49086), (486, 42420), (504, 40905), (505, 40824), (540, 38178), (567, 36360), (606, 34020), (630, 32724), (648, 31815), (707, 29160), (729, 28280), (756, 27270), (808, 25515), (810, 25452), (840, 24543), (909, 22680), (945, 21816), (972, 21210), (1010, 20412), (1080, 19089), (1134, 18180), (1212, 17010), (1215, 16968), (1260, 16362), (1414, 14580), (1458, 14140), (1512, 13635), (1515, 13608), (1620, 12726), (1701, 12120), (1818, 11340), (1890, 10908), (1944, 10605), (2020, 10206), (2121, 9720), (2268, 9090), (2424, 8505), (2430, 8484), (2520, 8181), (2727, 7560), (2828, 7290), (2835, 7272), (2916, 7070), (3030, 6804), (3240, 6363), (3402, 6060), (3535, 5832), (3636, 5670), (3645, 5656), (3780, 5454), (4040, 5103), (4242, 4860), (4536, 4545)]