20755764

素因数分解:

$2^2\times 3^4\times {\mathrm{29}}^1\times {\mathrm{47}}^2$

素因数の和:139

約数の個数: 90

約数和(自身を含む): 57350370

約数和(自身を除く): 36594606

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 29, 36, 47, 54, 58, 81, 87, 94, 108, 116, 141, 162, 174, 188, 261, 282, 324, 348, 423, 522, 564, 783, 846, 1044, 1269, 1363, 1566, 1692, 2209, 2349, 2538, 2726, 3132, 3807, 4089, 4418, 4698, 5076, 5452, 6627, 7614, 8178, 8836, 9396, 12267, 13254, 15228, 16356, 19881, 24534, 26508, 36801, 39762, 49068, 59643, 64061, 73602, 79524, 110403, 119286, 128122, 147204, 178929, 192183, 220806, 238572, 256244, 357858, 384366, 441612, 576549, 715716, 768732, 1153098, 1729647, 2306196, 3459294, 5188941, 6918588, 10377882, 20755764]

約数ペア:

[(1, 20755764), (2, 10377882), (3, 6918588), (4, 5188941), (6, 3459294), (9, 2306196), (12, 1729647), (18, 1153098), (27, 768732), (29, 715716), (36, 576549), (47, 441612), (54, 384366), (58, 357858), (81, 256244), (87, 238572), (94, 220806), (108, 192183), (116, 178929), (141, 147204), (162, 128122), (174, 119286), (188, 110403), (261, 79524), (282, 73602), (324, 64061), (348, 59643), (423, 49068), (522, 39762), (564, 36801), (783, 26508), (846, 24534), (1044, 19881), (1269, 16356), (1363, 15228), (1566, 13254), (1692, 12267), (2209, 9396), (2349, 8836), (2538, 8178), (2726, 7614), (3132, 6627), (3807, 5452), (4089, 5076), (4418, 4698)]