20781044548

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{6521}}^1$

素因数の和:6673

約数の個数: 96

約数和(自身を含む): 42916220928

約数和(自身を除く): 22135176380

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 47, 67, 92, 94, 134, 188, 253, 268, 506, 517, 737, 1012, 1034, 1081, 1474, 1541, 2068, 2162, 2948, 3082, 3149, 4324, 6164, 6298, 6521, 11891, 12596, 13042, 16951, 23782, 26084, 33902, 34639, 47564, 67804, 69278, 71731, 72427, 138556, 143462, 144854, 149983, 286924, 289708, 299966, 306487, 436907, 599932, 612974, 796697, 873814, 1225948, 1593394, 1649813, 1747628, 3186788, 3299626, 3371357, 4805977, 6599252, 6742714, 7049201, 9611954, 10048861, 13485428, 14098402, 19223908, 20097722, 20534629, 28196804, 40195444, 41069258, 77541211, 82138516, 110537471, 155082422, 221074942, 225880919, 310164844, 442149884, 451761838, 472296467, 903523676, 944592934, 1889185868, 5195261137, 10390522274, 20781044548]

約数ペア:

[(1, 20781044548), (2, 10390522274), (4, 5195261137), (11, 1889185868), (22, 944592934), (23, 903523676), (44, 472296467), (46, 451761838), (47, 442149884), (67, 310164844), (92, 225880919), (94, 221074942), (134, 155082422), (188, 110537471), (253, 82138516), (268, 77541211), (506, 41069258), (517, 40195444), (737, 28196804), (1012, 20534629), (1034, 20097722), (1081, 19223908), (1474, 14098402), (1541, 13485428), (2068, 10048861), (2162, 9611954), (2948, 7049201), (3082, 6742714), (3149, 6599252), (4324, 4805977), (6164, 3371357), (6298, 3299626), (6521, 3186788), (11891, 1747628), (12596, 1649813), (13042, 1593394), (16951, 1225948), (23782, 873814), (26084, 796697), (33902, 612974), (34639, 599932), (47564, 436907), (67804, 306487), (69278, 299966), (71731, 289708), (72427, 286924), (138556, 149983), (143462, 144854)]