20163741700

素因数分解:

$2^2\times 5^2\times {\mathrm{313}}^1\times {\mathrm{499}}^1\times {\mathrm{1291}}^1$

素因数の和:2117

約数の個数: 72

約数和(自身を含む): 44017148000

約数和(自身を除く): 23853406300

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 313, 499, 626, 998, 1252, 1291, 1565, 1996, 2495, 2582, 3130, 4990, 5164, 6260, 6455, 7825, 9980, 12475, 12910, 15650, 24950, 25820, 31300, 32275, 49900, 64550, 129100, 156187, 312374, 404083, 624748, 644209, 780935, 808166, 1288418, 1561870, 1616332, 2020415, 2576836, 3123740, 3221045, 3904675, 4040830, 6442090, 7809350, 8081660, 10102075, 12884180, 15618700, 16105225, 20204150, 32210450, 40408300, 64420900, 201637417, 403274834, 806549668, 1008187085, 2016374170, 4032748340, 5040935425, 10081870850, 20163741700]

約数ペア:

[(1, 20163741700), (2, 10081870850), (4, 5040935425), (5, 4032748340), (10, 2016374170), (20, 1008187085), (25, 806549668), (50, 403274834), (100, 201637417), (313, 64420900), (499, 40408300), (626, 32210450), (998, 20204150), (1252, 16105225), (1291, 15618700), (1565, 12884180), (1996, 10102075), (2495, 8081660), (2582, 7809350), (3130, 6442090), (4990, 4040830), (5164, 3904675), (6260, 3221045), (6455, 3123740), (7825, 2576836), (9980, 2020415), (12475, 1616332), (12910, 1561870), (15650, 1288418), (24950, 808166), (25820, 780935), (31300, 644209), (32275, 624748), (49900, 404083), (64550, 312374), (129100, 156187)]