20247856

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{241}}^1$

素因数の和:397

約数の個数: 40

約数和(自身を含む): 40510800

約数和(自身を除く): 20262944

約数列:

[1, 2, 4, 8, 16, 59, 89, 118, 178, 236, 241, 356, 472, 482, 712, 944, 964, 1424, 1928, 3856, 5251, 10502, 14219, 21004, 21449, 28438, 42008, 42898, 56876, 84016, 85796, 113752, 171592, 227504, 343184, 1265491, 2530982, 5061964, 10123928, 20247856]

約数ペア:

[(1, 20247856), (2, 10123928), (4, 5061964), (8, 2530982), (16, 1265491), (59, 343184), (89, 227504), (118, 171592), (178, 113752), (236, 85796), (241, 84016), (356, 56876), (472, 42898), (482, 42008), (712, 28438), (944, 21449), (964, 21004), (1424, 14219), (1928, 10502), (3856, 5251)]