20863345895

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1\times {\mathrm{81223}}^1$

素因数の和:81455

約数の個数: 32

約数和(自身を含む): 29474565120

約数和(自身を除く): 8611219225

約数列:

[1, 5, 7, 35, 41, 179, 205, 287, 895, 1253, 1435, 6265, 7339, 36695, 51373, 81223, 256865, 406115, 568561, 2842805, 3330143, 14538917, 16650715, 23311001, 72694585, 101772419, 116555005, 508862095, 596095597, 2980477985, 4172669179, 20863345895]

約数ペア:

[(1, 20863345895), (5, 4172669179), (7, 2980477985), (35, 596095597), (41, 508862095), (179, 116555005), (205, 101772419), (287, 72694585), (895, 23311001), (1253, 16650715), (1435, 14538917), (6265, 3330143), (7339, 2842805), (36695, 568561), (51373, 406115), (81223, 256865)]