20763912

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1091}}^1$

素因数の和:1174

約数の個数: 64

約数和(自身を含む): 56871360

約数和(自身を除く): 36107448

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 61, 78, 104, 122, 156, 183, 244, 312, 366, 488, 732, 793, 1091, 1464, 1586, 2182, 2379, 3172, 3273, 4364, 4758, 6344, 6546, 8728, 9516, 13092, 14183, 19032, 26184, 28366, 42549, 56732, 66551, 85098, 113464, 133102, 170196, 199653, 266204, 340392, 399306, 532408, 798612, 865163, 1597224, 1730326, 2595489, 3460652, 5190978, 6921304, 10381956, 20763912]

約数ペア:

[(1, 20763912), (2, 10381956), (3, 6921304), (4, 5190978), (6, 3460652), (8, 2595489), (12, 1730326), (13, 1597224), (24, 865163), (26, 798612), (39, 532408), (52, 399306), (61, 340392), (78, 266204), (104, 199653), (122, 170196), (156, 133102), (183, 113464), (244, 85098), (312, 66551), (366, 56732), (488, 42549), (732, 28366), (793, 26184), (1091, 19032), (1464, 14183), (1586, 13092), (2182, 9516), (2379, 8728), (3172, 6546), (3273, 6344), (4364, 4758)]