20610828

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{199}}^1$

素因数の和:356

約数の個数: 96

約数和(自身を含む): 61824000

約数和(自身を除く): 41213172

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 137, 189, 199, 252, 274, 378, 398, 411, 548, 597, 756, 796, 822, 959, 1194, 1233, 1393, 1644, 1791, 1918, 2388, 2466, 2786, 2877, 3582, 3699, 3836, 4179, 4932, 5373, 5572, 5754, 7164, 7398, 8358, 8631, 10746, 11508, 12537, 14796, 16716, 17262, 21492, 25074, 25893, 27263, 34524, 37611, 50148, 51786, 54526, 75222, 81789, 103572, 109052, 150444, 163578, 190841, 245367, 327156, 381682, 490734, 572523, 736101, 763364, 981468, 1145046, 1472202, 1717569, 2290092, 2944404, 3435138, 5152707, 6870276, 10305414, 20610828]

約数ペア:

[(1, 20610828), (2, 10305414), (3, 6870276), (4, 5152707), (6, 3435138), (7, 2944404), (9, 2290092), (12, 1717569), (14, 1472202), (18, 1145046), (21, 981468), (27, 763364), (28, 736101), (36, 572523), (42, 490734), (54, 381682), (63, 327156), (84, 245367), (108, 190841), (126, 163578), (137, 150444), (189, 109052), (199, 103572), (252, 81789), (274, 75222), (378, 54526), (398, 51786), (411, 50148), (548, 37611), (597, 34524), (756, 27263), (796, 25893), (822, 25074), (959, 21492), (1194, 17262), (1233, 16716), (1393, 14796), (1644, 12537), (1791, 11508), (1918, 10746), (2388, 8631), (2466, 8358), (2786, 7398), (2877, 7164), (3582, 5754), (3699, 5572), (3836, 5373), (4179, 4932)]