20137344190

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{641521}}^1$

素因数の和:641644

約数の個数: 32

約数和(自身を含む): 37598321376

約数和(自身を除く): 17460977186

約数列:

[1, 2, 5, 10, 43, 73, 86, 146, 215, 365, 430, 730, 3139, 6278, 15695, 31390, 641521, 1283042, 3207605, 6415210, 27585403, 46831033, 55170806, 93662066, 137927015, 234155165, 275854030, 468310330, 2013734419, 4027468838, 10068672095, 20137344190]

約数ペア:

[(1, 20137344190), (2, 10068672095), (5, 4027468838), (10, 2013734419), (43, 468310330), (73, 275854030), (86, 234155165), (146, 137927015), (215, 93662066), (365, 55170806), (430, 46831033), (730, 27585403), (3139, 6415210), (6278, 3207605), (15695, 1283042), (31390, 641521)]