20305398

素因数分解:

$2^1\times 3^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1\times {\mathrm{251}}^1$

素因数の和:492

約数の個数: 32

約数和(自身を含む): 41489280

約数和(自身を除く): 21183882

約数列:

[1, 2, 3, 6, 97, 139, 194, 251, 278, 291, 417, 502, 582, 753, 834, 1506, 13483, 24347, 26966, 34889, 40449, 48694, 69778, 73041, 80898, 104667, 146082, 209334, 3384233, 6768466, 10152699, 20305398]

約数ペア:

[(1, 20305398), (2, 10152699), (3, 6768466), (6, 3384233), (97, 209334), (139, 146082), (194, 104667), (251, 80898), (278, 73041), (291, 69778), (417, 48694), (502, 40449), (582, 34889), (753, 26966), (834, 24347), (1506, 13483)]