20307996

素因数分解:

$2^2\times 3^5\times {\mathrm{17}}^1\times {\mathrm{1229}}^1$

素因数の和:1265

約数の個数: 72

約数和(自身を含む): 56412720

約数和(自身を除く): 36104724

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 51, 54, 68, 81, 102, 108, 153, 162, 204, 243, 306, 324, 459, 486, 612, 918, 972, 1229, 1377, 1836, 2458, 2754, 3687, 4131, 4916, 5508, 7374, 8262, 11061, 14748, 16524, 20893, 22122, 33183, 41786, 44244, 62679, 66366, 83572, 99549, 125358, 132732, 188037, 199098, 250716, 298647, 376074, 398196, 564111, 597294, 752148, 1128222, 1194588, 1692333, 2256444, 3384666, 5076999, 6769332, 10153998, 20307996]

約数ペア:

[(1, 20307996), (2, 10153998), (3, 6769332), (4, 5076999), (6, 3384666), (9, 2256444), (12, 1692333), (17, 1194588), (18, 1128222), (27, 752148), (34, 597294), (36, 564111), (51, 398196), (54, 376074), (68, 298647), (81, 250716), (102, 199098), (108, 188037), (153, 132732), (162, 125358), (204, 99549), (243, 83572), (306, 66366), (324, 62679), (459, 44244), (486, 41786), (612, 33183), (918, 22122), (972, 20893), (1229, 16524), (1377, 14748), (1836, 11061), (2458, 8262), (2754, 7374), (3687, 5508), (4131, 4916)]