20116942320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{509}}^1\times {\mathrm{164677}}^1$

素因数の和:165202

約数の個数: 80

約数和(自身を含む): 62485420320

約数和(自身を除く): 42368478000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 509, 1018, 1527, 2036, 2545, 3054, 4072, 5090, 6108, 7635, 8144, 10180, 12216, 15270, 20360, 24432, 30540, 40720, 61080, 122160, 164677, 329354, 494031, 658708, 823385, 988062, 1317416, 1646770, 1976124, 2470155, 2634832, 3293540, 3952248, 4940310, 6587080, 7904496, 9880620, 13174160, 19761240, 39522480, 83820593, 167641186, 251461779, 335282372, 419102965, 502923558, 670564744, 838205930, 1005847116, 1257308895, 1341129488, 1676411860, 2011694232, 2514617790, 3352823720, 4023388464, 5029235580, 6705647440, 10058471160, 20116942320]

約数ペア:

[(1, 20116942320), (2, 10058471160), (3, 6705647440), (4, 5029235580), (5, 4023388464), (6, 3352823720), (8, 2514617790), (10, 2011694232), (12, 1676411860), (15, 1341129488), (16, 1257308895), (20, 1005847116), (24, 838205930), (30, 670564744), (40, 502923558), (48, 419102965), (60, 335282372), (80, 251461779), (120, 167641186), (240, 83820593), (509, 39522480), (1018, 19761240), (1527, 13174160), (2036, 9880620), (2545, 7904496), (3054, 6587080), (4072, 4940310), (5090, 3952248), (6108, 3293540), (7635, 2634832), (8144, 2470155), (10180, 1976124), (12216, 1646770), (15270, 1317416), (20360, 988062), (24432, 823385), (30540, 658708), (40720, 494031), (61080, 329354), (122160, 164677)]