20708372

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 40061952

約数和(自身を除く): 19353580

約数列:

[1, 2, 4, 23, 31, 46, 53, 62, 92, 106, 124, 137, 212, 274, 548, 713, 1219, 1426, 1643, 2438, 2852, 3151, 3286, 4247, 4876, 6302, 6572, 7261, 8494, 12604, 14522, 16988, 29044, 37789, 75578, 97681, 151156, 167003, 195362, 225091, 334006, 390724, 450182, 668012, 900364, 5177093, 10354186, 20708372]

約数ペア:

[(1, 20708372), (2, 10354186), (4, 5177093), (23, 900364), (31, 668012), (46, 450182), (53, 390724), (62, 334006), (92, 225091), (106, 195362), (124, 167003), (137, 151156), (212, 97681), (274, 75578), (548, 37789), (713, 29044), (1219, 16988), (1426, 14522), (1643, 12604), (2438, 8494), (2852, 7261), (3151, 6572), (3286, 6302), (4247, 4876)]