20387052

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:213

約数の個数: 120

約数和(自身を含む): 62203680

約数和(自身を除く): 41816628

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 89, 101, 108, 126, 162, 178, 189, 202, 252, 267, 303, 324, 356, 378, 404, 534, 567, 606, 623, 707, 756, 801, 909, 1068, 1134, 1212, 1246, 1414, 1602, 1818, 1869, 2121, 2268, 2403, 2492, 2727, 2828, 3204, 3636, 3738, 4242, 4806, 5454, 5607, 6363, 7209, 7476, 8181, 8484, 8989, 9612, 10908, 11214, 12726, 14418, 16362, 16821, 17978, 19089, 22428, 25452, 26967, 28836, 32724, 33642, 35956, 38178, 50463, 53934, 57267, 62923, 67284, 76356, 80901, 100926, 107868, 114534, 125846, 161802, 188769, 201852, 229068, 242703, 251692, 323604, 377538, 485406, 566307, 728109, 755076, 970812, 1132614, 1456218, 1698921, 2265228, 2912436, 3397842, 5096763, 6795684, 10193526, 20387052]

約数ペア:

[(1, 20387052), (2, 10193526), (3, 6795684), (4, 5096763), (6, 3397842), (7, 2912436), (9, 2265228), (12, 1698921), (14, 1456218), (18, 1132614), (21, 970812), (27, 755076), (28, 728109), (36, 566307), (42, 485406), (54, 377538), (63, 323604), (81, 251692), (84, 242703), (89, 229068), (101, 201852), (108, 188769), (126, 161802), (162, 125846), (178, 114534), (189, 107868), (202, 100926), (252, 80901), (267, 76356), (303, 67284), (324, 62923), (356, 57267), (378, 53934), (404, 50463), (534, 38178), (567, 35956), (606, 33642), (623, 32724), (707, 28836), (756, 26967), (801, 25452), (909, 22428), (1068, 19089), (1134, 17978), (1212, 16821), (1246, 16362), (1414, 14418), (1602, 12726), (1818, 11214), (1869, 10908), (2121, 9612), (2268, 8989), (2403, 8484), (2492, 8181), (2727, 7476), (2828, 7209), (3204, 6363), (3636, 5607), (3738, 5454), (4242, 4806)]