2019700420

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{269}}^1\times {\mathrm{4523}}^1$

素因数の和:4884

約数の個数: 48

約数和(自身を含む): 4309381440

約数和(自身を除く): 2289681020

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 269, 332, 415, 538, 830, 1076, 1345, 1660, 2690, 4523, 5380, 9046, 18092, 22327, 22615, 44654, 45230, 89308, 90460, 111635, 223270, 375409, 446540, 750818, 1216687, 1501636, 1877045, 2433374, 3754090, 4866748, 6083435, 7508180, 12166870, 24333740, 100985021, 201970042, 403940084, 504925105, 1009850210, 2019700420]

約数ペア:

[(1, 2019700420), (2, 1009850210), (4, 504925105), (5, 403940084), (10, 201970042), (20, 100985021), (83, 24333740), (166, 12166870), (269, 7508180), (332, 6083435), (415, 4866748), (538, 3754090), (830, 2433374), (1076, 1877045), (1345, 1501636), (1660, 1216687), (2690, 750818), (4523, 446540), (5380, 375409), (9046, 223270), (18092, 111635), (22327, 90460), (22615, 89308), (44654, 45230)]