20138084907

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{557}}^1$

素因数の和:832

約数の個数: 64

約数和(自身を含む): 29158133760

約数和(自身を除く): 9020048853

約数列:

[1, 3, 23, 59, 69, 83, 107, 177, 249, 321, 557, 1357, 1671, 1909, 2461, 4071, 4897, 5727, 6313, 7383, 8881, 12811, 14691, 18939, 26643, 32863, 38433, 46231, 59599, 98589, 112631, 138693, 145199, 178797, 204263, 337893, 435597, 523979, 612789, 755849, 1063313, 1370777, 1571937, 2267547, 2727629, 3189939, 3516341, 4112331, 4946717, 8182887, 10549023, 12051517, 14840151, 36154551, 62735467, 80875843, 113774491, 188206401, 242627529, 291856303, 341323473, 875568909, 6712694969, 20138084907]

約数ペア:

[(1, 20138084907), (3, 6712694969), (23, 875568909), (59, 341323473), (69, 291856303), (83, 242627529), (107, 188206401), (177, 113774491), (249, 80875843), (321, 62735467), (557, 36154551), (1357, 14840151), (1671, 12051517), (1909, 10549023), (2461, 8182887), (4071, 4946717), (4897, 4112331), (5727, 3516341), (6313, 3189939), (7383, 2727629), (8881, 2267547), (12811, 1571937), (14691, 1370777), (18939, 1063313), (26643, 755849), (32863, 612789), (38433, 523979), (46231, 435597), (59599, 337893), (98589, 204263), (112631, 178797), (138693, 145199)]