20145346900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{31}}^2\times {\mathrm{29947}}^1$

素因数の和:30030

約数の個数: 108

約数和(自身を含む): 51625799904

約数和(自身を除く): 31480453004

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 50, 62, 70, 100, 124, 140, 155, 175, 217, 310, 350, 434, 620, 700, 775, 868, 961, 1085, 1550, 1922, 2170, 3100, 3844, 4340, 4805, 5425, 6727, 9610, 10850, 13454, 19220, 21700, 24025, 26908, 29947, 33635, 48050, 59894, 67270, 96100, 119788, 134540, 149735, 168175, 209629, 299470, 336350, 419258, 598940, 672700, 748675, 838516, 928357, 1048145, 1497350, 1856714, 2096290, 2994700, 3713428, 4192580, 4641785, 5240725, 6498499, 9283570, 10481450, 12996998, 18567140, 20962900, 23208925, 25993996, 28779067, 32492495, 46417850, 57558134, 64984990, 92835700, 115116268, 129969980, 143895335, 162462475, 201453469, 287790670, 324924950, 402906938, 575581340, 649849900, 719476675, 805813876, 1007267345, 1438953350, 2014534690, 2877906700, 4029069380, 5036336725, 10072673450, 20145346900]

約数ペア:

[(1, 20145346900), (2, 10072673450), (4, 5036336725), (5, 4029069380), (7, 2877906700), (10, 2014534690), (14, 1438953350), (20, 1007267345), (25, 805813876), (28, 719476675), (31, 649849900), (35, 575581340), (50, 402906938), (62, 324924950), (70, 287790670), (100, 201453469), (124, 162462475), (140, 143895335), (155, 129969980), (175, 115116268), (217, 92835700), (310, 64984990), (350, 57558134), (434, 46417850), (620, 32492495), (700, 28779067), (775, 25993996), (868, 23208925), (961, 20962900), (1085, 18567140), (1550, 12996998), (1922, 10481450), (2170, 9283570), (3100, 6498499), (3844, 5240725), (4340, 4641785), (4805, 4192580), (5425, 3713428), (6727, 2994700), (9610, 2096290), (10850, 1856714), (13454, 1497350), (19220, 1048145), (21700, 928357), (24025, 838516), (26908, 748675), (29947, 672700), (33635, 598940), (48050, 419258), (59894, 336350), (67270, 299470), (96100, 209629), (119788, 168175), (134540, 149735)]