20866842

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{317}}^1$

素因数の和:404

約数の個数: 64

約数和(自身を含む): 49455360

約数和(自身を除く): 28588518

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 53, 54, 69, 106, 138, 159, 207, 317, 318, 414, 477, 621, 634, 951, 954, 1219, 1242, 1431, 1902, 2438, 2853, 2862, 3657, 5706, 7291, 7314, 8559, 10971, 14582, 16801, 17118, 21873, 21942, 32913, 33602, 43746, 50403, 65619, 65826, 100806, 131238, 151209, 196857, 302418, 386423, 393714, 453627, 772846, 907254, 1159269, 2318538, 3477807, 6955614, 10433421, 20866842]

約数ペア:

[(1, 20866842), (2, 10433421), (3, 6955614), (6, 3477807), (9, 2318538), (18, 1159269), (23, 907254), (27, 772846), (46, 453627), (53, 393714), (54, 386423), (69, 302418), (106, 196857), (138, 151209), (159, 131238), (207, 100806), (317, 65826), (318, 65619), (414, 50403), (477, 43746), (621, 33602), (634, 32913), (951, 21942), (954, 21873), (1219, 17118), (1242, 16801), (1431, 14582), (1902, 10971), (2438, 8559), (2853, 7314), (2862, 7291), (3657, 5706)]