20429037

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{491}}^1$

素因数の和:590

約数の個数: 32

約数和(自身を含む): 32117760

約数和(自身を除く): 11688723

約数列:

[1, 3, 9, 23, 27, 67, 69, 201, 207, 491, 603, 621, 1473, 1541, 1809, 4419, 4623, 11293, 13257, 13869, 32897, 33879, 41607, 98691, 101637, 296073, 304911, 756631, 888219, 2269893, 6809679, 20429037]

約数ペア:

[(1, 20429037), (3, 6809679), (9, 2269893), (23, 888219), (27, 756631), (67, 304911), (69, 296073), (201, 101637), (207, 98691), (491, 41607), (603, 33879), (621, 32897), (1473, 13869), (1541, 13257), (1809, 11293), (4419, 4623)]