20512535055

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{331}}^1\times {\mathrm{1307}}^1$

素因数の和:1784

約数の個数: 64

約数和(自身を含む): 34393075200

約数和(自身を除く): 13880540145

約数列:

[1, 3, 5, 15, 29, 87, 109, 145, 327, 331, 435, 545, 993, 1307, 1635, 1655, 3161, 3921, 4965, 6535, 9483, 9599, 15805, 19605, 28797, 36079, 37903, 47415, 47995, 108237, 113709, 142463, 143985, 180395, 189515, 427389, 432617, 541185, 568545, 712315, 1046291, 1297851, 2136945, 2163085, 3138873, 4131427, 5231455, 6489255, 12394281, 12545893, 15694365, 20657135, 37637679, 47155253, 61971405, 62729465, 141465759, 188188395, 235776265, 707328795, 1367502337, 4102507011, 6837511685, 20512535055]

約数ペア:

[(1, 20512535055), (3, 6837511685), (5, 4102507011), (15, 1367502337), (29, 707328795), (87, 235776265), (109, 188188395), (145, 141465759), (327, 62729465), (331, 61971405), (435, 47155253), (545, 37637679), (993, 20657135), (1307, 15694365), (1635, 12545893), (1655, 12394281), (3161, 6489255), (3921, 5231455), (4965, 4131427), (6535, 3138873), (9483, 2163085), (9599, 2136945), (15805, 1297851), (19605, 1046291), (28797, 712315), (36079, 568545), (37903, 541185), (47415, 432617), (47995, 427389), (108237, 189515), (113709, 180395), (142463, 143985)]