20215578

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{421}}^1$

素因数の和:630

約数の個数: 32

約数和(自身を含む): 41565312

約数和(自身を除く): 21349734

約数列:

[1, 2, 3, 6, 53, 106, 151, 159, 302, 318, 421, 453, 842, 906, 1263, 2526, 8003, 16006, 22313, 24009, 44626, 48018, 63571, 66939, 127142, 133878, 190713, 381426, 3369263, 6738526, 10107789, 20215578]

約数ペア:

[(1, 20215578), (2, 10107789), (3, 6738526), (6, 3369263), (53, 381426), (106, 190713), (151, 133878), (159, 127142), (302, 66939), (318, 63571), (421, 48018), (453, 44626), (842, 24009), (906, 22313), (1263, 16006), (2526, 8003)]