20165296

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1481}}^1$

素因数の和:1549

約数の個数: 40

約数和(自身を含む): 41899104

約数和(自身を除く): 21733808

約数列:

[1, 2, 4, 8, 16, 23, 37, 46, 74, 92, 148, 184, 296, 368, 592, 851, 1481, 1702, 2962, 3404, 5924, 6808, 11848, 13616, 23696, 34063, 54797, 68126, 109594, 136252, 219188, 272504, 438376, 545008, 876752, 1260331, 2520662, 5041324, 10082648, 20165296]

約数ペア:

[(1, 20165296), (2, 10082648), (4, 5041324), (8, 2520662), (16, 1260331), (23, 876752), (37, 545008), (46, 438376), (74, 272504), (92, 219188), (148, 136252), (184, 109594), (296, 68126), (368, 54797), (592, 34063), (851, 23696), (1481, 13616), (1702, 11848), (2962, 6808), (3404, 5924)]