20123774970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1394579}}^1$

素因数の和:1394639

約数の個数: 64

約数和(自身を含む): 53417992320

約数和(自身を除く): 33294217350

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 37, 39, 65, 74, 78, 111, 130, 185, 195, 222, 370, 390, 481, 555, 962, 1110, 1443, 2405, 2886, 4810, 7215, 14430, 1394579, 2789158, 4183737, 6972895, 8367474, 13945790, 18129527, 20918685, 36259054, 41837370, 51599423, 54388581, 90647635, 103198846, 108777162, 154798269, 181295270, 257997115, 271942905, 309596538, 515994230, 543885810, 670792499, 773991345, 1341584998, 1547982690, 2012377497, 3353962495, 4024754994, 6707924990, 10061887485, 20123774970]

約数ペア:

[(1, 20123774970), (2, 10061887485), (3, 6707924990), (5, 4024754994), (6, 3353962495), (10, 2012377497), (13, 1547982690), (15, 1341584998), (26, 773991345), (30, 670792499), (37, 543885810), (39, 515994230), (65, 309596538), (74, 271942905), (78, 257997115), (111, 181295270), (130, 154798269), (185, 108777162), (195, 103198846), (222, 90647635), (370, 54388581), (390, 51599423), (481, 41837370), (555, 36259054), (962, 20918685), (1110, 18129527), (1443, 13945790), (2405, 8367474), (2886, 6972895), (4810, 4183737), (7215, 2789158), (14430, 1394579)]