20361068

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:223

約数の個数: 72

約数和(自身を含む): 45715824

約数和(自身を除く): 25354756

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 61, 91, 98, 122, 131, 182, 196, 244, 262, 364, 427, 524, 637, 793, 854, 917, 1274, 1586, 1703, 1708, 1834, 2548, 2989, 3172, 3406, 3668, 5551, 5978, 6419, 6812, 7991, 11102, 11921, 11956, 12838, 15982, 22204, 23842, 25676, 31964, 38857, 47684, 55937, 77714, 83447, 103883, 111874, 155428, 166894, 207766, 223748, 333788, 391559, 415532, 727181, 783118, 1454362, 1566236, 2908724, 5090267, 10180534, 20361068]

約数ペア:

[(1, 20361068), (2, 10180534), (4, 5090267), (7, 2908724), (13, 1566236), (14, 1454362), (26, 783118), (28, 727181), (49, 415532), (52, 391559), (61, 333788), (91, 223748), (98, 207766), (122, 166894), (131, 155428), (182, 111874), (196, 103883), (244, 83447), (262, 77714), (364, 55937), (427, 47684), (524, 38857), (637, 31964), (793, 25676), (854, 23842), (917, 22204), (1274, 15982), (1586, 12838), (1703, 11956), (1708, 11921), (1834, 11102), (2548, 7991), (2989, 6812), (3172, 6419), (3406, 5978), (3668, 5551)]