20880451647

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1283}}^1\times {\mathrm{1481}}^1$

素因数の和:2821

約数の個数: 64

約数和(自身を含む): 34708677120

約数和(自身を除く): 13828225473

約数列:

[1, 3, 9, 11, 27, 33, 37, 99, 111, 297, 333, 407, 999, 1221, 1283, 1481, 3663, 3849, 4443, 10989, 11547, 13329, 14113, 16291, 34641, 39987, 42339, 47471, 48873, 54797, 127017, 142413, 146619, 164391, 381051, 427239, 439857, 493173, 522181, 602767, 1281717, 1479519, 1566543, 1808301, 1900123, 4699629, 5424903, 5700369, 14098887, 16274709, 17101107, 20901353, 51303321, 62704059, 70304551, 188112177, 210913653, 564336531, 632740959, 773350061, 1898222877, 2320050183, 6960150549, 20880451647]

約数ペア:

[(1, 20880451647), (3, 6960150549), (9, 2320050183), (11, 1898222877), (27, 773350061), (33, 632740959), (37, 564336531), (99, 210913653), (111, 188112177), (297, 70304551), (333, 62704059), (407, 51303321), (999, 20901353), (1221, 17101107), (1283, 16274709), (1481, 14098887), (3663, 5700369), (3849, 5424903), (4443, 4699629), (10989, 1900123), (11547, 1808301), (13329, 1566543), (14113, 1479519), (16291, 1281717), (34641, 602767), (39987, 522181), (42339, 493173), (47471, 439857), (48873, 427239), (54797, 381051), (127017, 164391), (142413, 146619)]