20213177660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13537}}^1\times {\mathrm{5743}}^1$

素因数の和:19302

約数の個数: 48

約数和(自身を含む): 45724215936

約数和(自身を除く): 25511038276

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 5743, 11486, 13537, 22972, 27074, 28715, 54148, 57430, 67685, 74659, 114860, 135370, 149318, 175981, 270740, 298636, 351962, 373295, 703924, 746590, 879905, 1493180, 1759810, 3519620, 77742991, 155485982, 310971964, 388714955, 777429910, 1010658883, 1554859820, 2021317766, 4042635532, 5053294415, 10106588830, 20213177660]

約数ペア:

[(1, 20213177660), (2, 10106588830), (4, 5053294415), (5, 4042635532), (10, 2021317766), (13, 1554859820), (20, 1010658883), (26, 777429910), (52, 388714955), (65, 310971964), (130, 155485982), (260, 77742991), (5743, 3519620), (11486, 1759810), (13537, 1493180), (22972, 879905), (27074, 746590), (28715, 703924), (54148, 373295), (57430, 351962), (67685, 298636), (74659, 270740), (114860, 175981), (135370, 149318)]