20438148

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{5273}}^1$

素因数の和:5316

約数の個数: 48

約数和(自身を含む): 53161920

約数和(自身を除く): 32723772

約数列:

[1, 2, 3, 4, 6, 12, 17, 19, 34, 38, 51, 57, 68, 76, 102, 114, 204, 228, 323, 646, 969, 1292, 1938, 3876, 5273, 10546, 15819, 21092, 31638, 63276, 89641, 100187, 179282, 200374, 268923, 300561, 358564, 400748, 537846, 601122, 1075692, 1202244, 1703179, 3406358, 5109537, 6812716, 10219074, 20438148]

約数ペア:

[(1, 20438148), (2, 10219074), (3, 6812716), (4, 5109537), (6, 3406358), (12, 1703179), (17, 1202244), (19, 1075692), (34, 601122), (38, 537846), (51, 400748), (57, 358564), (68, 300561), (76, 268923), (102, 200374), (114, 179282), (204, 100187), (228, 89641), (323, 63276), (646, 31638), (969, 21092), (1292, 15819), (1938, 10546), (3876, 5273)]