20123021450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1084799}}^1$

素因数の和:1084871

約数の個数: 48

約数和(自身を含む): 43582924800

約数和(自身を除く): 23459903350

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 53, 70, 106, 175, 265, 350, 371, 530, 742, 1325, 1855, 2650, 3710, 9275, 18550, 1084799, 2169598, 5423995, 7593593, 10847990, 15187186, 27119975, 37967965, 54239950, 57494347, 75935930, 114988694, 189839825, 287471735, 379679650, 402460429, 574943470, 804920858, 1437358675, 2012302145, 2874717350, 4024604290, 10061510725, 20123021450]

約数ペア:

[(1, 20123021450), (2, 10061510725), (5, 4024604290), (7, 2874717350), (10, 2012302145), (14, 1437358675), (25, 804920858), (35, 574943470), (50, 402460429), (53, 379679650), (70, 287471735), (106, 189839825), (175, 114988694), (265, 75935930), (350, 57494347), (371, 54239950), (530, 37967965), (742, 27119975), (1325, 15187186), (1855, 10847990), (2650, 7593593), (3710, 5423995), (9275, 2169598), (18550, 1084799)]