20100761979

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1\times {\mathrm{1721}}^1$

素因数の和:1976

約数の個数: 64

約数和(自身を含む): 30152908800

約数和(自身を除く): 10052146821

約数列:

[1, 3, 19, 23, 57, 59, 69, 151, 177, 437, 453, 1121, 1311, 1357, 1721, 2869, 3363, 3473, 4071, 5163, 8607, 8909, 10419, 25783, 26727, 32699, 39583, 65987, 77349, 98097, 101539, 118749, 169271, 197961, 204907, 259871, 304617, 507813, 614721, 752077, 779613, 1929241, 2256231, 2335397, 3893233, 4937549, 5787723, 5977033, 7006191, 11679699, 14812647, 15332389, 17931099, 44372543, 45997167, 113563627, 133117629, 291315391, 340690881, 352644947, 873946173, 1057934841, 6700253993, 20100761979]

約数ペア:

[(1, 20100761979), (3, 6700253993), (19, 1057934841), (23, 873946173), (57, 352644947), (59, 340690881), (69, 291315391), (151, 133117629), (177, 113563627), (437, 45997167), (453, 44372543), (1121, 17931099), (1311, 15332389), (1357, 14812647), (1721, 11679699), (2869, 7006191), (3363, 5977033), (3473, 5787723), (4071, 4937549), (5163, 3893233), (8607, 2335397), (8909, 2256231), (10419, 1929241), (25783, 779613), (26727, 752077), (32699, 614721), (39583, 507813), (65987, 304617), (77349, 259871), (98097, 204907), (101539, 197961), (118749, 169271)]