20162951970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{487381}}^1$

素因数の和:487595

約数の個数: 64

約数和(自身を含む): 55584942336

約数和(自身を除く): 35421990366

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 197, 210, 394, 591, 985, 1182, 1379, 1970, 2758, 2955, 4137, 5910, 6895, 8274, 13790, 20685, 41370, 487381, 974762, 1462143, 2436905, 2924286, 3411667, 4873810, 6823334, 7310715, 10235001, 14621430, 17058335, 20470002, 34116670, 51175005, 96014057, 102350010, 192028114, 288042171, 480070285, 576084342, 672098399, 960140570, 1344196798, 1440210855, 2016295197, 2880421710, 3360491995, 4032590394, 6720983990, 10081475985, 20162951970]

約数ペア:

[(1, 20162951970), (2, 10081475985), (3, 6720983990), (5, 4032590394), (6, 3360491995), (7, 2880421710), (10, 2016295197), (14, 1440210855), (15, 1344196798), (21, 960140570), (30, 672098399), (35, 576084342), (42, 480070285), (70, 288042171), (105, 192028114), (197, 102350010), (210, 96014057), (394, 51175005), (591, 34116670), (985, 20470002), (1182, 17058335), (1379, 14621430), (1970, 10235001), (2758, 7310715), (2955, 6823334), (4137, 4873810), (5910, 3411667), (6895, 2924286), (8274, 2436905), (13790, 1462143), (20685, 974762), (41370, 487381)]