20564124

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{853}}^1$

素因数の和:915

約数の個数: 72

約数和(自身を含む): 57245328

約数和(自身を除く): 36681204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 41, 42, 49, 82, 84, 98, 123, 147, 164, 196, 246, 287, 294, 492, 574, 588, 853, 861, 1148, 1706, 1722, 2009, 2559, 3412, 3444, 4018, 5118, 5971, 6027, 8036, 10236, 11942, 12054, 17913, 23884, 24108, 34973, 35826, 41797, 69946, 71652, 83594, 104919, 125391, 139892, 167188, 209838, 244811, 250782, 419676, 489622, 501564, 734433, 979244, 1468866, 1713677, 2937732, 3427354, 5141031, 6854708, 10282062, 20564124]

約数ペア:

[(1, 20564124), (2, 10282062), (3, 6854708), (4, 5141031), (6, 3427354), (7, 2937732), (12, 1713677), (14, 1468866), (21, 979244), (28, 734433), (41, 501564), (42, 489622), (49, 419676), (82, 250782), (84, 244811), (98, 209838), (123, 167188), (147, 139892), (164, 125391), (196, 104919), (246, 83594), (287, 71652), (294, 69946), (492, 41797), (574, 35826), (588, 34973), (853, 24108), (861, 23884), (1148, 17913), (1706, 12054), (1722, 11942), (2009, 10236), (2559, 8036), (3412, 6027), (3444, 5971), (4018, 5118)]