20757296

素因数分解:

$2^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{5009}}^1$

素因数の和:5061

約数の個数: 40

約数和(自身を含む): 47214240

約数和(自身を除く): 26456944

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 56, 74, 112, 148, 259, 296, 518, 592, 1036, 2072, 4144, 5009, 10018, 20036, 35063, 40072, 70126, 80144, 140252, 185333, 280504, 370666, 561008, 741332, 1297331, 1482664, 2594662, 2965328, 5189324, 10378648, 20757296]

約数ペア:

[(1, 20757296), (2, 10378648), (4, 5189324), (7, 2965328), (8, 2594662), (14, 1482664), (16, 1297331), (28, 741332), (37, 561008), (56, 370666), (74, 280504), (112, 185333), (148, 140252), (259, 80144), (296, 70126), (518, 40072), (592, 35063), (1036, 20036), (2072, 10018), (4144, 5009)]