20731410

素因数分解:

$2^1\times 3^3\times 5^1\times 7^2\times {\mathrm{1567}}^1$

素因数の和:1597

約数の個数: 96

約数和(自身を含む): 64350720

約数和(自身を除く): 43619310

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 49, 54, 63, 70, 90, 98, 105, 126, 135, 147, 189, 210, 245, 270, 294, 315, 378, 441, 490, 630, 735, 882, 945, 1323, 1470, 1567, 1890, 2205, 2646, 3134, 4410, 4701, 6615, 7835, 9402, 10969, 13230, 14103, 15670, 21938, 23505, 28206, 32907, 42309, 47010, 54845, 65814, 70515, 76783, 84618, 98721, 109690, 141030, 153566, 164535, 197442, 211545, 230349, 296163, 329070, 383915, 423090, 460698, 493605, 592326, 691047, 767830, 987210, 1151745, 1382094, 1480815, 2073141, 2303490, 2961630, 3455235, 4146282, 6910470, 10365705, 20731410]

約数ペア:

[(1, 20731410), (2, 10365705), (3, 6910470), (5, 4146282), (6, 3455235), (7, 2961630), (9, 2303490), (10, 2073141), (14, 1480815), (15, 1382094), (18, 1151745), (21, 987210), (27, 767830), (30, 691047), (35, 592326), (42, 493605), (45, 460698), (49, 423090), (54, 383915), (63, 329070), (70, 296163), (90, 230349), (98, 211545), (105, 197442), (126, 164535), (135, 153566), (147, 141030), (189, 109690), (210, 98721), (245, 84618), (270, 76783), (294, 70515), (315, 65814), (378, 54845), (441, 47010), (490, 42309), (630, 32907), (735, 28206), (882, 23505), (945, 21938), (1323, 15670), (1470, 14103), (1567, 13230), (1890, 10969), (2205, 9402), (2646, 7835), (3134, 6615), (4410, 4701)]