20871532

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{1487}}^1$

素因数の和:1542

約数の個数: 36

約数和(自身を含む): 41559840

約数和(自身を除く): 20688308

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 116, 121, 242, 319, 484, 638, 1276, 1487, 2974, 3509, 5948, 7018, 14036, 16357, 32714, 43123, 65428, 86246, 172492, 179927, 359854, 474353, 719708, 948706, 1897412, 5217883, 10435766, 20871532]

約数ペア:

[(1, 20871532), (2, 10435766), (4, 5217883), (11, 1897412), (22, 948706), (29, 719708), (44, 474353), (58, 359854), (116, 179927), (121, 172492), (242, 86246), (319, 65428), (484, 43123), (638, 32714), (1276, 16357), (1487, 14036), (2974, 7018), (3509, 5948)]