20956501020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3838187}}^1$

素因数の和:3838219

約数の個数: 96

約数和(自身を含む): 72219345408

約数和(自身を除く): 51262844388

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5460, 3838187, 7676374, 11514561, 15352748, 19190935, 23029122, 26867309, 38381870, 46058244, 49896431, 53734618, 57572805, 76763740, 80601927, 99792862, 107469236, 115145610, 134336545, 149689293, 161203854, 199585724, 230291220, 249482155, 268673090, 299378586, 322407708, 349275017, 403009635, 498964310, 537346180, 598757172, 698550034, 748446465, 806019270, 997928620, 1047825051, 1397100068, 1496892930, 1612038540, 1746375085, 2095650102, 2993785860, 3492750170, 4191300204, 5239125255, 6985500340, 10478250510, 20956501020]

約数ペア:

[(1, 20956501020), (2, 10478250510), (3, 6985500340), (4, 5239125255), (5, 4191300204), (6, 3492750170), (7, 2993785860), (10, 2095650102), (12, 1746375085), (13, 1612038540), (14, 1496892930), (15, 1397100068), (20, 1047825051), (21, 997928620), (26, 806019270), (28, 748446465), (30, 698550034), (35, 598757172), (39, 537346180), (42, 498964310), (52, 403009635), (60, 349275017), (65, 322407708), (70, 299378586), (78, 268673090), (84, 249482155), (91, 230291220), (105, 199585724), (130, 161203854), (140, 149689293), (156, 134336545), (182, 115145610), (195, 107469236), (210, 99792862), (260, 80601927), (273, 76763740), (364, 57572805), (390, 53734618), (420, 49896431), (455, 46058244), (546, 38381870), (780, 26867309), (910, 23029122), (1092, 19190935), (1365, 15352748), (1820, 11514561), (2730, 7676374), (5460, 3838187)]