20780039607

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1\times {\mathrm{653}}^1$

素因数の和:980

約数の個数: 64

約数和(自身を含む): 30584221056

約数和(自身を除く): 9804181449

約数列:

[1, 3, 17, 51, 53, 61, 159, 183, 193, 579, 653, 901, 1037, 1959, 2703, 3111, 3233, 3281, 9699, 9843, 10229, 11101, 11773, 30687, 33303, 34609, 35319, 39833, 54961, 103827, 119499, 126029, 164883, 173893, 200141, 378087, 521679, 588353, 600423, 623969, 677161, 1765059, 1871907, 2031483, 2111149, 2142493, 6333447, 6427479, 6679537, 7687769, 10607473, 20038611, 23063307, 31822419, 35889533, 107668599, 113552129, 130692073, 340656387, 392076219, 407451757, 1222355271, 6926679869, 20780039607]

約数ペア:

[(1, 20780039607), (3, 6926679869), (17, 1222355271), (51, 407451757), (53, 392076219), (61, 340656387), (159, 130692073), (183, 113552129), (193, 107668599), (579, 35889533), (653, 31822419), (901, 23063307), (1037, 20038611), (1959, 10607473), (2703, 7687769), (3111, 6679537), (3233, 6427479), (3281, 6333447), (9699, 2142493), (9843, 2111149), (10229, 2031483), (11101, 1871907), (11773, 1765059), (30687, 677161), (33303, 623969), (34609, 600423), (35319, 588353), (39833, 521679), (54961, 378087), (103827, 200141), (119499, 173893), (126029, 164883)]