20157748

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{10477}}^1$

素因数の和:10531

約数の個数: 24

約数和(自身を含む): 39020072

約数和(自身を除く): 18862324

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 148, 481, 962, 1924, 10477, 20954, 41908, 136201, 272402, 387649, 544804, 775298, 1550596, 5039437, 10078874, 20157748]

約数ペア:

[(1, 20157748), (2, 10078874), (4, 5039437), (13, 1550596), (26, 775298), (37, 544804), (52, 387649), (74, 272402), (148, 136201), (481, 41908), (962, 20954), (1924, 10477)]