20155143352

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{3121}}^1\times {\mathrm{18773}}^1$

素因数の和:21943

約数の個数: 32

約数和(自身を含む): 38684202480

約数和(自身を除く): 18529059128

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 3121, 6242, 12484, 18773, 24968, 37546, 75092, 134203, 150184, 268406, 536812, 807239, 1073624, 1614478, 3228956, 6457912, 58590533, 117181066, 234362132, 468724264, 2519392919, 5038785838, 10077571676, 20155143352]

約数ペア:

[(1, 20155143352), (2, 10077571676), (4, 5038785838), (8, 2519392919), (43, 468724264), (86, 234362132), (172, 117181066), (344, 58590533), (3121, 6457912), (6242, 3228956), (12484, 1614478), (18773, 1073624), (24968, 807239), (37546, 536812), (75092, 268406), (134203, 150184)]