20310928

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3119}}^1$

素因数の和:3175

約数の個数: 40

約数和(自身を含む): 44104320

約数和(自身を除く): 23793392

約数列:

[1, 2, 4, 8, 11, 16, 22, 37, 44, 74, 88, 148, 176, 296, 407, 592, 814, 1628, 3119, 3256, 6238, 6512, 12476, 24952, 34309, 49904, 68618, 115403, 137236, 230806, 274472, 461612, 548944, 923224, 1269433, 1846448, 2538866, 5077732, 10155464, 20310928]

約数ペア:

[(1, 20310928), (2, 10155464), (4, 5077732), (8, 2538866), (11, 1846448), (16, 1269433), (22, 923224), (37, 548944), (44, 461612), (74, 274472), (88, 230806), (148, 137236), (176, 115403), (296, 68618), (407, 49904), (592, 34309), (814, 24952), (1628, 12476), (3119, 6512), (3256, 6238)]