20175954250

素因数分解:

$2^1\times 5^3\times {\mathrm{139}}^2\times {\mathrm{4177}}^1$

素因数の和:4472

約数の個数: 48

約数和(自身を含む): 38052171144

約数和(自身を除く): 17876216894

約数列:

[1, 2, 5, 10, 25, 50, 125, 139, 250, 278, 695, 1390, 3475, 4177, 6950, 8354, 17375, 19321, 20885, 34750, 38642, 41770, 96605, 104425, 193210, 208850, 483025, 522125, 580603, 966050, 1044250, 1161206, 2415125, 2903015, 4830250, 5806030, 14515075, 29030150, 72575375, 80703817, 145150750, 161407634, 403519085, 807038170, 2017595425, 4035190850, 10087977125, 20175954250]

約数ペア:

[(1, 20175954250), (2, 10087977125), (5, 4035190850), (10, 2017595425), (25, 807038170), (50, 403519085), (125, 161407634), (139, 145150750), (250, 80703817), (278, 72575375), (695, 29030150), (1390, 14515075), (3475, 5806030), (4177, 4830250), (6950, 2903015), (8354, 2415125), (17375, 1161206), (19321, 1044250), (20885, 966050), (34750, 580603), (38642, 522125), (41770, 483025), (96605, 208850), (104425, 193210)]