20973372

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{673}}^1$

素因数の和:747

約数の個数: 72

約数和(自身を含む): 58088016

約数和(自身を除く): 37114644

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 53, 84, 98, 106, 147, 159, 196, 212, 294, 318, 371, 588, 636, 673, 742, 1113, 1346, 1484, 2019, 2226, 2597, 2692, 4038, 4452, 4711, 5194, 7791, 8076, 9422, 10388, 14133, 15582, 18844, 28266, 31164, 32977, 35669, 56532, 65954, 71338, 98931, 107007, 131908, 142676, 197862, 214014, 249683, 395724, 428028, 499366, 749049, 998732, 1498098, 1747781, 2996196, 3495562, 5243343, 6991124, 10486686, 20973372]

約数ペア:

[(1, 20973372), (2, 10486686), (3, 6991124), (4, 5243343), (6, 3495562), (7, 2996196), (12, 1747781), (14, 1498098), (21, 998732), (28, 749049), (42, 499366), (49, 428028), (53, 395724), (84, 249683), (98, 214014), (106, 197862), (147, 142676), (159, 131908), (196, 107007), (212, 98931), (294, 71338), (318, 65954), (371, 56532), (588, 35669), (636, 32977), (673, 31164), (742, 28266), (1113, 18844), (1346, 15582), (1484, 14133), (2019, 10388), (2226, 9422), (2597, 8076), (2692, 7791), (4038, 5194), (4452, 4711)]