20123892135

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1217}}^1\times {\mathrm{12671}}^1$

素因数の和:13928

約数の個数: 48

約数和(自身を含む): 36116720640

約数和(自身を除く): 15992828505

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1217, 1305, 3651, 6085, 10953, 12671, 18255, 35293, 38013, 54765, 63355, 105879, 114039, 176465, 190065, 317637, 367459, 529395, 570195, 1102377, 1588185, 1837295, 3307131, 5511885, 15420607, 16535655, 46261821, 77103035, 138785463, 231309105, 447197603, 693927315, 1341592809, 2235988015, 4024778427, 6707964045, 20123892135]

約数ペア:

[(1, 20123892135), (3, 6707964045), (5, 4024778427), (9, 2235988015), (15, 1341592809), (29, 693927315), (45, 447197603), (87, 231309105), (145, 138785463), (261, 77103035), (435, 46261821), (1217, 16535655), (1305, 15420607), (3651, 5511885), (6085, 3307131), (10953, 1837295), (12671, 1588185), (18255, 1102377), (35293, 570195), (38013, 529395), (54765, 367459), (63355, 317637), (105879, 190065), (114039, 176465)]