20694618

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:268

約数の個数: 96

約数和(自身を含む): 55201536

約数和(自身を除く): 34506918

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 37, 42, 46, 63, 69, 74, 111, 126, 138, 161, 193, 207, 222, 259, 322, 333, 386, 414, 483, 518, 579, 666, 777, 851, 966, 1158, 1351, 1449, 1554, 1702, 1737, 2331, 2553, 2702, 2898, 3474, 4053, 4439, 4662, 5106, 5957, 7141, 7659, 8106, 8878, 11914, 12159, 13317, 14282, 15318, 17871, 21423, 24318, 26634, 31073, 35742, 39951, 42846, 49987, 53613, 62146, 64269, 79902, 93219, 99974, 107226, 128538, 149961, 164243, 186438, 279657, 299922, 328486, 449883, 492729, 559314, 899766, 985458, 1149701, 1478187, 2299402, 2956374, 3449103, 6898206, 10347309, 20694618]

約数ペア:

[(1, 20694618), (2, 10347309), (3, 6898206), (6, 3449103), (7, 2956374), (9, 2299402), (14, 1478187), (18, 1149701), (21, 985458), (23, 899766), (37, 559314), (42, 492729), (46, 449883), (63, 328486), (69, 299922), (74, 279657), (111, 186438), (126, 164243), (138, 149961), (161, 128538), (193, 107226), (207, 99974), (222, 93219), (259, 79902), (322, 64269), (333, 62146), (386, 53613), (414, 49987), (483, 42846), (518, 39951), (579, 35742), (666, 31073), (777, 26634), (851, 24318), (966, 21423), (1158, 17871), (1351, 15318), (1449, 14282), (1554, 13317), (1702, 12159), (1737, 11914), (2331, 8878), (2553, 8106), (2702, 7659), (2898, 7141), (3474, 5957), (4053, 5106), (4439, 4662)]