20804044240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{347197}}^1$

素因数の和:347324

約数の個数: 80

約数和(自身を含む): 55796107392

約数和(自身を除く): 34992063152

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 107, 112, 140, 214, 280, 428, 535, 560, 749, 856, 1070, 1498, 1712, 2140, 2996, 3745, 4280, 5992, 7490, 8560, 11984, 14980, 29960, 59920, 347197, 694394, 1388788, 1735985, 2430379, 2777576, 3471970, 4860758, 5555152, 6943940, 9721516, 12151895, 13887880, 19443032, 24303790, 27775760, 37150079, 38886064, 48607580, 74300158, 97215160, 148600316, 185750395, 194430320, 260050553, 297200632, 371500790, 520101106, 594401264, 743001580, 1040202212, 1300252765, 1486003160, 2080404424, 2600505530, 2972006320, 4160808848, 5201011060, 10402022120, 20804044240]

約数ペア:

[(1, 20804044240), (2, 10402022120), (4, 5201011060), (5, 4160808848), (7, 2972006320), (8, 2600505530), (10, 2080404424), (14, 1486003160), (16, 1300252765), (20, 1040202212), (28, 743001580), (35, 594401264), (40, 520101106), (56, 371500790), (70, 297200632), (80, 260050553), (107, 194430320), (112, 185750395), (140, 148600316), (214, 97215160), (280, 74300158), (428, 48607580), (535, 38886064), (560, 37150079), (749, 27775760), (856, 24303790), (1070, 19443032), (1498, 13887880), (1712, 12151895), (2140, 9721516), (2996, 6943940), (3745, 5555152), (4280, 4860758), (5992, 3471970), (7490, 2777576), (8560, 2430379), (11984, 1735985), (14980, 1388788), (29960, 694394), (59920, 347197)]