20218085270

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{241}}^1\times {\mathrm{1031}}^1$

素因数の和:1461

約数の個数: 64

約数和(自身を含む): 37401661440

約数和(自身を除く): 17183576170

約数列:

[1, 2, 5, 10, 79, 103, 158, 206, 241, 395, 482, 515, 790, 1030, 1031, 1205, 2062, 2410, 5155, 8137, 10310, 16274, 19039, 24823, 38078, 40685, 49646, 81370, 81449, 95195, 106193, 124115, 162898, 190390, 212386, 248230, 248471, 407245, 496942, 530965, 814490, 1061930, 1242355, 1961017, 2484710, 3922034, 8389247, 9805085, 16778494, 19610170, 19629209, 25592513, 39258418, 41946235, 51185026, 83892470, 98146045, 127962565, 196292090, 255925130, 2021808527, 4043617054, 10109042635, 20218085270]

約数ペア:

[(1, 20218085270), (2, 10109042635), (5, 4043617054), (10, 2021808527), (79, 255925130), (103, 196292090), (158, 127962565), (206, 98146045), (241, 83892470), (395, 51185026), (482, 41946235), (515, 39258418), (790, 25592513), (1030, 19629209), (1031, 19610170), (1205, 16778494), (2062, 9805085), (2410, 8389247), (5155, 3922034), (8137, 2484710), (10310, 1961017), (16274, 1242355), (19039, 1061930), (24823, 814490), (38078, 530965), (40685, 496942), (49646, 407245), (81370, 248471), (81449, 248230), (95195, 212386), (106193, 190390), (124115, 162898)]