20529850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{229}}^1$

素因数の和:415

約数の個数: 48

約数和(自身を含む): 42095520

約数和(自身を除く): 21565670

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 163, 229, 275, 326, 458, 550, 815, 1145, 1630, 1793, 2290, 2519, 3586, 4075, 5038, 5725, 8150, 8965, 11450, 12595, 17930, 25190, 37327, 44825, 62975, 74654, 89650, 125950, 186635, 373270, 410597, 821194, 933175, 1866350, 2052985, 4105970, 10264925, 20529850]

約数ペア:

[(1, 20529850), (2, 10264925), (5, 4105970), (10, 2052985), (11, 1866350), (22, 933175), (25, 821194), (50, 410597), (55, 373270), (110, 186635), (163, 125950), (229, 89650), (275, 74654), (326, 62975), (458, 44825), (550, 37327), (815, 25190), (1145, 17930), (1630, 12595), (1793, 11450), (2290, 8965), (2519, 8150), (3586, 5725), (4075, 5038)]