20798840844

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{5641}}^1$

素因数の和:5808

約数の個数: 144

約数和(自身を含む): 56533923264

約数和(自身を除く): 35735082420

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 61, 69, 73, 92, 122, 138, 146, 183, 207, 219, 244, 276, 292, 366, 414, 438, 549, 657, 732, 828, 876, 1098, 1314, 1403, 1679, 2196, 2628, 2806, 3358, 4209, 4453, 5037, 5612, 5641, 6716, 8418, 8906, 10074, 11282, 12627, 13359, 15111, 16836, 16923, 17812, 20148, 22564, 25254, 26718, 30222, 33846, 40077, 50508, 50769, 53436, 60444, 67692, 80154, 101538, 102419, 129743, 160308, 203076, 204838, 259486, 307257, 344101, 389229, 409676, 411793, 518972, 614514, 688202, 778458, 823586, 921771, 1032303, 1167687, 1229028, 1235379, 1376404, 1556916, 1647172, 1843542, 2064606, 2335374, 2470758, 3096909, 3687084, 3706137, 4129212, 4670748, 4941516, 6193818, 7412274, 7914323, 9471239, 12387636, 14824548, 15828646, 18942478, 23742969, 25119373, 28413717, 31657292, 37884956, 47485938, 50238746, 56827434, 71228907, 75358119, 85241151, 94971876, 100477492, 113654868, 142457814, 150716238, 170482302, 226074357, 284915628, 301432476, 340964604, 452148714, 577745579, 904297428, 1155491158, 1733236737, 2310982316, 3466473474, 5199710211, 6932946948, 10399420422, 20798840844]

約数ペア:

[(1, 20798840844), (2, 10399420422), (3, 6932946948), (4, 5199710211), (6, 3466473474), (9, 2310982316), (12, 1733236737), (18, 1155491158), (23, 904297428), (36, 577745579), (46, 452148714), (61, 340964604), (69, 301432476), (73, 284915628), (92, 226074357), (122, 170482302), (138, 150716238), (146, 142457814), (183, 113654868), (207, 100477492), (219, 94971876), (244, 85241151), (276, 75358119), (292, 71228907), (366, 56827434), (414, 50238746), (438, 47485938), (549, 37884956), (657, 31657292), (732, 28413717), (828, 25119373), (876, 23742969), (1098, 18942478), (1314, 15828646), (1403, 14824548), (1679, 12387636), (2196, 9471239), (2628, 7914323), (2806, 7412274), (3358, 6193818), (4209, 4941516), (4453, 4670748), (5037, 4129212), (5612, 3706137), (5641, 3687084), (6716, 3096909), (8418, 2470758), (8906, 2335374), (10074, 2064606), (11282, 1843542), (12627, 1647172), (13359, 1556916), (15111, 1376404), (16836, 1235379), (16923, 1229028), (17812, 1167687), (20148, 1032303), (22564, 921771), (25254, 823586), (26718, 778458), (30222, 688202), (33846, 614514), (40077, 518972), (50508, 411793), (50769, 409676), (53436, 389229), (60444, 344101), (67692, 307257), (80154, 259486), (101538, 204838), (102419, 203076), (129743, 160308)]