20786073245

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{19141}}^1$

素因数の和:19266

約数の個数: 64

約数和(自身を含む): 31754280960

約数和(自身を除く): 10968207715

約数列:

[1, 5, 7, 19, 23, 35, 71, 95, 115, 133, 161, 355, 437, 497, 665, 805, 1349, 1633, 2185, 2485, 3059, 6745, 8165, 9443, 11431, 15295, 19141, 31027, 47215, 57155, 95705, 133987, 155135, 217189, 363679, 440243, 669935, 1085945, 1359011, 1818395, 2201215, 2545753, 3081701, 6795055, 8364617, 9513077, 12728765, 15408505, 25821209, 31257253, 41823085, 47565385, 58552319, 129106045, 156286265, 180748463, 218800771, 292761595, 593887807, 903742315, 1094003855, 2969439035, 4157214649, 20786073245]

約数ペア:

[(1, 20786073245), (5, 4157214649), (7, 2969439035), (19, 1094003855), (23, 903742315), (35, 593887807), (71, 292761595), (95, 218800771), (115, 180748463), (133, 156286265), (161, 129106045), (355, 58552319), (437, 47565385), (497, 41823085), (665, 31257253), (805, 25821209), (1349, 15408505), (1633, 12728765), (2185, 9513077), (2485, 8364617), (3059, 6795055), (6745, 3081701), (8165, 2545753), (9443, 2201215), (11431, 1818395), (15295, 1359011), (19141, 1085945), (31027, 669935), (47215, 440243), (57155, 363679), (95705, 217189), (133987, 155135)]