20551690

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{599}}^1$

素因数の和:726

約数の個数: 32

約数和(自身を含む): 38361600

約数和(自身を除く): 17809910

約数列:

[1, 2, 5, 10, 47, 73, 94, 146, 235, 365, 470, 599, 730, 1198, 2995, 3431, 5990, 6862, 17155, 28153, 34310, 43727, 56306, 87454, 140765, 218635, 281530, 437270, 2055169, 4110338, 10275845, 20551690]

約数ペア:

[(1, 20551690), (2, 10275845), (5, 4110338), (10, 2055169), (47, 437270), (73, 281530), (94, 218635), (146, 140765), (235, 87454), (365, 56306), (470, 43727), (599, 34310), (730, 28153), (1198, 17155), (2995, 6862), (3431, 5990)]