20876398088

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{392827}}^1$

素因数の和:392926

約数の個数: 64

約数和(自身を含む): 48836376960

約数和(自身を除く): 27959978872

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 73, 91, 104, 146, 182, 292, 364, 511, 584, 728, 949, 1022, 1898, 2044, 3796, 4088, 6643, 7592, 13286, 26572, 53144, 392827, 785654, 1571308, 2749789, 3142616, 5106751, 5499578, 10213502, 10999156, 20427004, 21998312, 28676371, 35747257, 40854008, 57352742, 71494514, 114705484, 142989028, 200734597, 229410968, 285978056, 372792823, 401469194, 745585646, 802938388, 1491171292, 1605876776, 2609549761, 2982342584, 5219099522, 10438199044, 20876398088]

約数ペア:

[(1, 20876398088), (2, 10438199044), (4, 5219099522), (7, 2982342584), (8, 2609549761), (13, 1605876776), (14, 1491171292), (26, 802938388), (28, 745585646), (52, 401469194), (56, 372792823), (73, 285978056), (91, 229410968), (104, 200734597), (146, 142989028), (182, 114705484), (292, 71494514), (364, 57352742), (511, 40854008), (584, 35747257), (728, 28676371), (949, 21998312), (1022, 20427004), (1898, 10999156), (2044, 10213502), (3796, 5499578), (4088, 5106751), (6643, 3142616), (7592, 2749789), (13286, 1571308), (26572, 785654), (53144, 392827)]