20678868

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1609}}^1$

素因数の和:1646

約数の個数: 96

約数和(自身を含む): 64915200

約数和(自身を除く): 44236332

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 27, 28, 34, 36, 42, 51, 54, 63, 68, 84, 102, 108, 119, 126, 153, 189, 204, 238, 252, 306, 357, 378, 459, 476, 612, 714, 756, 918, 1071, 1428, 1609, 1836, 2142, 3213, 3218, 4284, 4827, 6426, 6436, 9654, 11263, 12852, 14481, 19308, 22526, 27353, 28962, 33789, 43443, 45052, 54706, 57924, 67578, 82059, 86886, 101367, 109412, 135156, 164118, 173772, 191471, 202734, 246177, 304101, 328236, 382942, 405468, 492354, 574413, 608202, 738531, 765884, 984708, 1148826, 1216404, 1477062, 1723239, 2297652, 2954124, 3446478, 5169717, 6892956, 10339434, 20678868]

約数ペア:

[(1, 20678868), (2, 10339434), (3, 6892956), (4, 5169717), (6, 3446478), (7, 2954124), (9, 2297652), (12, 1723239), (14, 1477062), (17, 1216404), (18, 1148826), (21, 984708), (27, 765884), (28, 738531), (34, 608202), (36, 574413), (42, 492354), (51, 405468), (54, 382942), (63, 328236), (68, 304101), (84, 246177), (102, 202734), (108, 191471), (119, 173772), (126, 164118), (153, 135156), (189, 109412), (204, 101367), (238, 86886), (252, 82059), (306, 67578), (357, 57924), (378, 54706), (459, 45052), (476, 43443), (612, 33789), (714, 28962), (756, 27353), (918, 22526), (1071, 19308), (1428, 14481), (1609, 12852), (1836, 11263), (2142, 9654), (3213, 6436), (3218, 6426), (4284, 4827)]