20743416

素因数分解:

$2^3\times 3^2\times {\mathrm{61}}^1\times {\mathrm{4723}}^1$

素因数の和:4796

約数の個数: 48

約数和(自身を含む): 57113160

約数和(自身を除く): 36369744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 61, 72, 122, 183, 244, 366, 488, 549, 732, 1098, 1464, 2196, 4392, 4723, 9446, 14169, 18892, 28338, 37784, 42507, 56676, 85014, 113352, 170028, 288103, 340056, 576206, 864309, 1152412, 1728618, 2304824, 2592927, 3457236, 5185854, 6914472, 10371708, 20743416]

約数ペア:

[(1, 20743416), (2, 10371708), (3, 6914472), (4, 5185854), (6, 3457236), (8, 2592927), (9, 2304824), (12, 1728618), (18, 1152412), (24, 864309), (36, 576206), (61, 340056), (72, 288103), (122, 170028), (183, 113352), (244, 85014), (366, 56676), (488, 42507), (549, 37784), (732, 28338), (1098, 18892), (1464, 14169), (2196, 9446), (4392, 4723)]