20143848820

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^2\times {\mathrm{89}}^1\times {\mathrm{2521}}^1$

素因数の和:2753

約数の個数: 72

約数和(自身を含む): 43442610120

約数和(自身を除く): 23298761300

約数列:

[1, 2, 4, 5, 10, 20, 67, 89, 134, 178, 268, 335, 356, 445, 670, 890, 1340, 1780, 2521, 4489, 5042, 5963, 8978, 10084, 11926, 12605, 17956, 22445, 23852, 25210, 29815, 44890, 50420, 59630, 89780, 119260, 168907, 224369, 337814, 399521, 448738, 675628, 799042, 844535, 897476, 1121845, 1598084, 1689070, 1997605, 2243690, 3378140, 3995210, 4487380, 7990420, 11316769, 15032723, 22633538, 30065446, 45267076, 56583845, 60130892, 75163615, 113167690, 150327230, 226335380, 300654460, 1007192441, 2014384882, 4028769764, 5035962205, 10071924410, 20143848820]

約数ペア:

[(1, 20143848820), (2, 10071924410), (4, 5035962205), (5, 4028769764), (10, 2014384882), (20, 1007192441), (67, 300654460), (89, 226335380), (134, 150327230), (178, 113167690), (268, 75163615), (335, 60130892), (356, 56583845), (445, 45267076), (670, 30065446), (890, 22633538), (1340, 15032723), (1780, 11316769), (2521, 7990420), (4489, 4487380), (5042, 3995210), (5963, 3378140), (8978, 2243690), (10084, 1997605), (11926, 1689070), (12605, 1598084), (17956, 1121845), (22445, 897476), (23852, 844535), (25210, 799042), (29815, 675628), (44890, 448738), (50420, 399521), (59630, 337814), (89780, 224369), (119260, 168907)]