20123241040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1217}}^1\times {\mathrm{29527}}^1$

素因数の和:30764

約数の個数: 80

約数和(自身を含む): 53516074752

約数和(自身を除く): 33392833712

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1217, 2434, 4868, 6085, 8519, 9736, 12170, 17038, 19472, 24340, 29527, 34076, 42595, 48680, 59054, 68152, 85190, 97360, 118108, 136304, 147635, 170380, 206689, 236216, 295270, 340760, 413378, 472432, 590540, 681520, 826756, 1033445, 1181080, 1653512, 2066890, 2362160, 3307024, 4133780, 8267560, 16535120, 35934359, 71868718, 143737436, 179671795, 251540513, 287474872, 359343590, 503081026, 574949744, 718687180, 1006162052, 1257702565, 1437374360, 2012324104, 2515405130, 2874748720, 4024648208, 5030810260, 10061620520, 20123241040]

約数ペア:

[(1, 20123241040), (2, 10061620520), (4, 5030810260), (5, 4024648208), (7, 2874748720), (8, 2515405130), (10, 2012324104), (14, 1437374360), (16, 1257702565), (20, 1006162052), (28, 718687180), (35, 574949744), (40, 503081026), (56, 359343590), (70, 287474872), (80, 251540513), (112, 179671795), (140, 143737436), (280, 71868718), (560, 35934359), (1217, 16535120), (2434, 8267560), (4868, 4133780), (6085, 3307024), (8519, 2362160), (9736, 2066890), (12170, 1653512), (17038, 1181080), (19472, 1033445), (24340, 826756), (29527, 681520), (34076, 590540), (42595, 472432), (48680, 413378), (59054, 340760), (68152, 295270), (85190, 236216), (97360, 206689), (118108, 170380), (136304, 147635)]