20145400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{9157}}^1$

素因数の和:9184

約数の個数: 48

約数和(自身を含む): 51101640

約数和(自身を除く): 30956240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1100, 2200, 9157, 18314, 36628, 45785, 73256, 91570, 100727, 183140, 201454, 228925, 366280, 402908, 457850, 503635, 805816, 915700, 1007270, 1831400, 2014540, 2518175, 4029080, 5036350, 10072700, 20145400]

約数ペア:

[(1, 20145400), (2, 10072700), (4, 5036350), (5, 4029080), (8, 2518175), (10, 2014540), (11, 1831400), (20, 1007270), (22, 915700), (25, 805816), (40, 503635), (44, 457850), (50, 402908), (55, 366280), (88, 228925), (100, 201454), (110, 183140), (200, 100727), (220, 91570), (275, 73256), (440, 45785), (550, 36628), (1100, 18314), (2200, 9157)]