20213305857

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{109}}^1\times {\mathrm{57077}}^1$

素因数の和:57230

約数の個数: 36

約数和(自身を含む): 31097806740

約数和(自身を除く): 10884500883

約数列:

[1, 3, 9, 19, 57, 109, 171, 327, 361, 981, 1083, 2071, 3249, 6213, 18639, 39349, 57077, 118047, 171231, 354141, 513693, 1084463, 3253389, 6221393, 9760167, 18664179, 20604797, 55992537, 61814391, 118206467, 185443173, 354619401, 1063858203, 2245922873, 6737768619, 20213305857]

約数ペア:

[(1, 20213305857), (3, 6737768619), (9, 2245922873), (19, 1063858203), (57, 354619401), (109, 185443173), (171, 118206467), (327, 61814391), (361, 55992537), (981, 20604797), (1083, 18664179), (2071, 9760167), (3249, 6221393), (6213, 3253389), (18639, 1084463), (39349, 513693), (57077, 354141), (118047, 171231)]