20129406

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{8243}}^1$

素因数の和:8296

約数の個数: 32

約数和(自身を含む): 45111168

約数和(自身を除く): 24981762

約数列:

[1, 2, 3, 6, 11, 22, 33, 37, 66, 74, 111, 222, 407, 814, 1221, 2442, 8243, 16486, 24729, 49458, 90673, 181346, 272019, 304991, 544038, 609982, 914973, 1829946, 3354901, 6709802, 10064703, 20129406]

約数ペア:

[(1, 20129406), (2, 10064703), (3, 6709802), (6, 3354901), (11, 1829946), (22, 914973), (33, 609982), (37, 544038), (66, 304991), (74, 272019), (111, 181346), (222, 90673), (407, 49458), (814, 24729), (1221, 16486), (2442, 8243)]