20950254

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:202

約数の個数: 72

約数和(自身を含む): 50358672

約数和(自身を除く): 29408418

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 71, 78, 97, 117, 142, 169, 194, 213, 234, 291, 338, 426, 507, 582, 639, 873, 923, 1014, 1261, 1278, 1521, 1746, 1846, 2522, 2769, 3042, 3783, 5538, 6887, 7566, 8307, 11349, 11999, 13774, 16393, 16614, 20661, 22698, 23998, 32786, 35997, 41322, 49179, 61983, 71994, 89531, 98358, 107991, 123966, 147537, 179062, 215982, 268593, 295074, 537186, 805779, 1163903, 1611558, 2327806, 3491709, 6983418, 10475127, 20950254]

約数ペア:

[(1, 20950254), (2, 10475127), (3, 6983418), (6, 3491709), (9, 2327806), (13, 1611558), (18, 1163903), (26, 805779), (39, 537186), (71, 295074), (78, 268593), (97, 215982), (117, 179062), (142, 147537), (169, 123966), (194, 107991), (213, 98358), (234, 89531), (291, 71994), (338, 61983), (426, 49179), (507, 41322), (582, 35997), (639, 32786), (873, 23998), (923, 22698), (1014, 20661), (1261, 16614), (1278, 16393), (1521, 13774), (1746, 11999), (1846, 11349), (2522, 8307), (2769, 7566), (3042, 6887), (3783, 5538)]