20523780

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:168

約数の個数: 144

約数和(自身を含む): 66777984

約数和(自身を除く): 46254204

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 41, 45, 54, 60, 81, 82, 90, 103, 108, 123, 135, 162, 164, 180, 205, 206, 243, 246, 270, 309, 324, 369, 405, 410, 412, 486, 492, 515, 540, 615, 618, 738, 810, 820, 927, 972, 1030, 1107, 1215, 1230, 1236, 1476, 1545, 1620, 1845, 1854, 2060, 2214, 2430, 2460, 2781, 3090, 3321, 3690, 3708, 4223, 4428, 4635, 4860, 5535, 5562, 6180, 6642, 7380, 8343, 8446, 9270, 9963, 11070, 11124, 12669, 13284, 13905, 16605, 16686, 16892, 18540, 19926, 21115, 22140, 25029, 25338, 27810, 33210, 33372, 38007, 39852, 41715, 42230, 49815, 50058, 50676, 55620, 63345, 66420, 76014, 83430, 84460, 99630, 100116, 114021, 125145, 126690, 152028, 166860, 190035, 199260, 228042, 250290, 253380, 342063, 380070, 456084, 500580, 570105, 684126, 760140, 1026189, 1140210, 1368252, 1710315, 2052378, 2280420, 3420630, 4104756, 5130945, 6841260, 10261890, 20523780]

約数ペア:

[(1, 20523780), (2, 10261890), (3, 6841260), (4, 5130945), (5, 4104756), (6, 3420630), (9, 2280420), (10, 2052378), (12, 1710315), (15, 1368252), (18, 1140210), (20, 1026189), (27, 760140), (30, 684126), (36, 570105), (41, 500580), (45, 456084), (54, 380070), (60, 342063), (81, 253380), (82, 250290), (90, 228042), (103, 199260), (108, 190035), (123, 166860), (135, 152028), (162, 126690), (164, 125145), (180, 114021), (205, 100116), (206, 99630), (243, 84460), (246, 83430), (270, 76014), (309, 66420), (324, 63345), (369, 55620), (405, 50676), (410, 50058), (412, 49815), (486, 42230), (492, 41715), (515, 39852), (540, 38007), (615, 33372), (618, 33210), (738, 27810), (810, 25338), (820, 25029), (927, 22140), (972, 21115), (1030, 19926), (1107, 18540), (1215, 16892), (1230, 16686), (1236, 16605), (1476, 13905), (1545, 13284), (1620, 12669), (1845, 11124), (1854, 11070), (2060, 9963), (2214, 9270), (2430, 8446), (2460, 8343), (2781, 7380), (3090, 6642), (3321, 6180), (3690, 5562), (3708, 5535), (4223, 4860), (4428, 4635)]