20198442

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:279

約数の個数: 64

約数和(自身を含む): 46604160

約数和(自身を除く): 26405718

約数列:

[1, 2, 3, 6, 11, 22, 29, 33, 58, 61, 66, 87, 122, 173, 174, 183, 319, 346, 366, 519, 638, 671, 957, 1038, 1342, 1769, 1903, 1914, 2013, 3538, 3806, 4026, 5017, 5307, 5709, 10034, 10553, 10614, 11418, 15051, 19459, 21106, 30102, 31659, 38918, 55187, 58377, 63318, 110374, 116083, 116754, 165561, 232166, 306037, 331122, 348249, 612074, 696498, 918111, 1836222, 3366407, 6732814, 10099221, 20198442]

約数ペア:

[(1, 20198442), (2, 10099221), (3, 6732814), (6, 3366407), (11, 1836222), (22, 918111), (29, 696498), (33, 612074), (58, 348249), (61, 331122), (66, 306037), (87, 232166), (122, 165561), (173, 116754), (174, 116083), (183, 110374), (319, 63318), (346, 58377), (366, 55187), (519, 38918), (638, 31659), (671, 30102), (957, 21106), (1038, 19459), (1342, 15051), (1769, 11418), (1903, 10614), (1914, 10553), (2013, 10034), (3538, 5709), (3806, 5307), (4026, 5017)]