20271060

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:164

約数の個数: 144

約数和(自身を含む): 65921856

約数和(自身を除く): 45650796

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 43, 45, 54, 60, 81, 86, 90, 97, 108, 129, 135, 162, 172, 180, 194, 215, 243, 258, 270, 291, 324, 387, 388, 405, 430, 485, 486, 516, 540, 582, 645, 774, 810, 860, 873, 970, 972, 1161, 1164, 1215, 1290, 1455, 1548, 1620, 1746, 1935, 1940, 2322, 2430, 2580, 2619, 2910, 3483, 3492, 3870, 4171, 4365, 4644, 4860, 5238, 5805, 5820, 6966, 7740, 7857, 8342, 8730, 10449, 10476, 11610, 12513, 13095, 13932, 15714, 16684, 17415, 17460, 20855, 20898, 23220, 23571, 25026, 26190, 31428, 34830, 37539, 39285, 41710, 41796, 47142, 50052, 52245, 52380, 62565, 69660, 75078, 78570, 83420, 94284, 104490, 112617, 117855, 125130, 150156, 157140, 187695, 208980, 225234, 235710, 250260, 337851, 375390, 450468, 471420, 563085, 675702, 750780, 1013553, 1126170, 1351404, 1689255, 2027106, 2252340, 3378510, 4054212, 5067765, 6757020, 10135530, 20271060]

約数ペア:

[(1, 20271060), (2, 10135530), (3, 6757020), (4, 5067765), (5, 4054212), (6, 3378510), (9, 2252340), (10, 2027106), (12, 1689255), (15, 1351404), (18, 1126170), (20, 1013553), (27, 750780), (30, 675702), (36, 563085), (43, 471420), (45, 450468), (54, 375390), (60, 337851), (81, 250260), (86, 235710), (90, 225234), (97, 208980), (108, 187695), (129, 157140), (135, 150156), (162, 125130), (172, 117855), (180, 112617), (194, 104490), (215, 94284), (243, 83420), (258, 78570), (270, 75078), (291, 69660), (324, 62565), (387, 52380), (388, 52245), (405, 50052), (430, 47142), (485, 41796), (486, 41710), (516, 39285), (540, 37539), (582, 34830), (645, 31428), (774, 26190), (810, 25026), (860, 23571), (873, 23220), (970, 20898), (972, 20855), (1161, 17460), (1164, 17415), (1215, 16684), (1290, 15714), (1455, 13932), (1548, 13095), (1620, 12513), (1746, 11610), (1935, 10476), (1940, 10449), (2322, 8730), (2430, 8342), (2580, 7857), (2619, 7740), (2910, 6966), (3483, 5820), (3492, 5805), (3870, 5238), (4171, 4860), (4365, 4644)]