20194657400

素因数分解:

$2^3\times 5^2\times {\mathrm{919}}^1\times {\mathrm{109873}}^1$

素因数の和:110808

約数の個数: 48

約数和(自身を含む): 47004097200

約数和(自身を除く): 26809439800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 919, 1838, 3676, 4595, 7352, 9190, 18380, 22975, 36760, 45950, 91900, 109873, 183800, 219746, 439492, 549365, 878984, 1098730, 2197460, 2746825, 4394920, 5493650, 10987300, 21974600, 100973287, 201946574, 403893148, 504866435, 807786296, 1009732870, 2019465740, 2524332175, 4038931480, 5048664350, 10097328700, 20194657400]

約数ペア:

[(1, 20194657400), (2, 10097328700), (4, 5048664350), (5, 4038931480), (8, 2524332175), (10, 2019465740), (20, 1009732870), (25, 807786296), (40, 504866435), (50, 403893148), (100, 201946574), (200, 100973287), (919, 21974600), (1838, 10987300), (3676, 5493650), (4595, 4394920), (7352, 2746825), (9190, 2197460), (18380, 1098730), (22975, 878984), (36760, 549365), (45950, 439492), (91900, 219746), (109873, 183800)]