20124498940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1579631}}^1$

素因数の和:1579667

約数の個数: 72

約数和(自身を含む): 52942946112

約数和(自身を除く): 32818447172

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 6370, 12740, 1579631, 3159262, 6318524, 7898155, 11057417, 15796310, 20535203, 22114834, 31592620, 41070406, 44229668, 55287085, 77401919, 82140812, 102676015, 110574170, 143746421, 154803838, 205352030, 221148340, 287492842, 309607676, 387009595, 410704060, 574985684, 718732105, 774019190, 1006224947, 1437464210, 1548038380, 2012449894, 2874928420, 4024899788, 5031124735, 10062249470, 20124498940]

約数ペア:

[(1, 20124498940), (2, 10062249470), (4, 5031124735), (5, 4024899788), (7, 2874928420), (10, 2012449894), (13, 1548038380), (14, 1437464210), (20, 1006224947), (26, 774019190), (28, 718732105), (35, 574985684), (49, 410704060), (52, 387009595), (65, 309607676), (70, 287492842), (91, 221148340), (98, 205352030), (130, 154803838), (140, 143746421), (182, 110574170), (196, 102676015), (245, 82140812), (260, 77401919), (364, 55287085), (455, 44229668), (490, 41070406), (637, 31592620), (910, 22114834), (980, 20535203), (1274, 15796310), (1820, 11057417), (2548, 7898155), (3185, 6318524), (6370, 3159262), (12740, 1579631)]