20646738

素因数分解:

$2^1\times 3^6\times 7^2\times {\mathrm{17}}^2$

素因数の和:68

約数の個数: 126

約数和(自身を含む): 57379221

約数和(自身を除く): 36732483

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 27, 34, 42, 49, 51, 54, 63, 81, 98, 102, 119, 126, 147, 153, 162, 189, 238, 243, 289, 294, 306, 357, 378, 441, 459, 486, 567, 578, 714, 729, 833, 867, 882, 918, 1071, 1134, 1323, 1377, 1458, 1666, 1701, 1734, 2023, 2142, 2499, 2601, 2646, 2754, 3213, 3402, 3969, 4046, 4131, 4998, 5103, 5202, 6069, 6426, 7497, 7803, 7938, 8262, 9639, 10206, 11907, 12138, 12393, 14161, 14994, 15606, 18207, 19278, 22491, 23409, 23814, 24786, 28322, 28917, 35721, 36414, 42483, 44982, 46818, 54621, 57834, 67473, 70227, 71442, 84966, 86751, 109242, 127449, 134946, 140454, 163863, 173502, 202419, 210681, 254898, 327726, 382347, 404838, 421362, 491589, 607257, 764694, 983178, 1147041, 1214514, 1474767, 2294082, 2949534, 3441123, 6882246, 10323369, 20646738]

約数ペア:

[(1, 20646738), (2, 10323369), (3, 6882246), (6, 3441123), (7, 2949534), (9, 2294082), (14, 1474767), (17, 1214514), (18, 1147041), (21, 983178), (27, 764694), (34, 607257), (42, 491589), (49, 421362), (51, 404838), (54, 382347), (63, 327726), (81, 254898), (98, 210681), (102, 202419), (119, 173502), (126, 163863), (147, 140454), (153, 134946), (162, 127449), (189, 109242), (238, 86751), (243, 84966), (289, 71442), (294, 70227), (306, 67473), (357, 57834), (378, 54621), (441, 46818), (459, 44982), (486, 42483), (567, 36414), (578, 35721), (714, 28917), (729, 28322), (833, 24786), (867, 23814), (882, 23409), (918, 22491), (1071, 19278), (1134, 18207), (1323, 15606), (1377, 14994), (1458, 14161), (1666, 12393), (1701, 12138), (1734, 11907), (2023, 10206), (2142, 9639), (2499, 8262), (2601, 7938), (2646, 7803), (2754, 7497), (3213, 6426), (3402, 6069), (3969, 5202), (4046, 5103), (4131, 4998)]