20767149

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 35026992

約数和(自身を除く): 14259843

約数列:

[1, 3, 9, 13, 17, 39, 51, 53, 117, 153, 159, 197, 221, 477, 591, 663, 689, 901, 1773, 1989, 2067, 2561, 2703, 3349, 6201, 7683, 8109, 10047, 10441, 11713, 23049, 30141, 31323, 35139, 43537, 93969, 105417, 130611, 135733, 177497, 391833, 407199, 532491, 1221597, 1597473, 2307461, 6922383, 20767149]

約数ペア:

[(1, 20767149), (3, 6922383), (9, 2307461), (13, 1597473), (17, 1221597), (39, 532491), (51, 407199), (53, 391833), (117, 177497), (153, 135733), (159, 130611), (197, 105417), (221, 93969), (477, 43537), (591, 35139), (663, 31323), (689, 30141), (901, 23049), (1773, 11713), (1989, 10441), (2067, 10047), (2561, 8109), (2703, 7683), (3349, 6201)]