20596914

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:176

約数の個数: 96

約数和(自身を含む): 51891840

約数和(自身を除く): 31294926

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 39, 43, 46, 69, 78, 86, 89, 117, 129, 138, 178, 207, 234, 258, 267, 299, 387, 414, 534, 559, 598, 774, 801, 897, 989, 1118, 1157, 1602, 1677, 1794, 1978, 2047, 2314, 2691, 2967, 3354, 3471, 3827, 4094, 5031, 5382, 5934, 6141, 6942, 7654, 8901, 10062, 10413, 11481, 12282, 12857, 17802, 18423, 20826, 22962, 25714, 26611, 34443, 36846, 38571, 49751, 53222, 68886, 77142, 79833, 88021, 99502, 115713, 149253, 159666, 176042, 231426, 239499, 264063, 298506, 447759, 478998, 528126, 792189, 895518, 1144273, 1584378, 2288546, 3432819, 6865638, 10298457, 20596914]

約数ペア:

[(1, 20596914), (2, 10298457), (3, 6865638), (6, 3432819), (9, 2288546), (13, 1584378), (18, 1144273), (23, 895518), (26, 792189), (39, 528126), (43, 478998), (46, 447759), (69, 298506), (78, 264063), (86, 239499), (89, 231426), (117, 176042), (129, 159666), (138, 149253), (178, 115713), (207, 99502), (234, 88021), (258, 79833), (267, 77142), (299, 68886), (387, 53222), (414, 49751), (534, 38571), (559, 36846), (598, 34443), (774, 26611), (801, 25714), (897, 22962), (989, 20826), (1118, 18423), (1157, 17802), (1602, 12857), (1677, 12282), (1794, 11481), (1978, 10413), (2047, 10062), (2314, 8901), (2691, 7654), (2967, 6942), (3354, 6141), (3471, 5934), (3827, 5382), (4094, 5031)]