20197116

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{257}}^1$

素因数の和:363

約数の個数: 72

約数和(自身を含む): 53529840

約数和(自身を除く): 33332724

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 59, 74, 111, 118, 148, 177, 222, 236, 257, 333, 354, 444, 514, 531, 666, 708, 771, 1028, 1062, 1332, 1542, 2124, 2183, 2313, 3084, 4366, 4626, 6549, 8732, 9252, 9509, 13098, 15163, 19018, 19647, 26196, 28527, 30326, 38036, 39294, 45489, 57054, 60652, 78588, 85581, 90978, 114108, 136467, 171162, 181956, 272934, 342324, 545868, 561031, 1122062, 1683093, 2244124, 3366186, 5049279, 6732372, 10098558, 20197116]

約数ペア:

[(1, 20197116), (2, 10098558), (3, 6732372), (4, 5049279), (6, 3366186), (9, 2244124), (12, 1683093), (18, 1122062), (36, 561031), (37, 545868), (59, 342324), (74, 272934), (111, 181956), (118, 171162), (148, 136467), (177, 114108), (222, 90978), (236, 85581), (257, 78588), (333, 60652), (354, 57054), (444, 45489), (514, 39294), (531, 38036), (666, 30326), (708, 28527), (771, 26196), (1028, 19647), (1062, 19018), (1332, 15163), (1542, 13098), (2124, 9509), (2183, 9252), (2313, 8732), (3084, 6549), (4366, 4626)]