20842230

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1$

素因数の和:421

約数の個数: 64

約数和(自身を含む): 52512768

約数和(自身を除く): 31670538

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 73, 93, 146, 155, 186, 219, 307, 310, 365, 438, 465, 614, 730, 921, 930, 1095, 1535, 1842, 2190, 2263, 3070, 4526, 4605, 6789, 9210, 9517, 11315, 13578, 19034, 22411, 22630, 28551, 33945, 44822, 47585, 57102, 67233, 67890, 95170, 112055, 134466, 142755, 224110, 285510, 336165, 672330, 694741, 1389482, 2084223, 3473705, 4168446, 6947410, 10421115, 20842230]

約数ペア:

[(1, 20842230), (2, 10421115), (3, 6947410), (5, 4168446), (6, 3473705), (10, 2084223), (15, 1389482), (30, 694741), (31, 672330), (62, 336165), (73, 285510), (93, 224110), (146, 142755), (155, 134466), (186, 112055), (219, 95170), (307, 67890), (310, 67233), (365, 57102), (438, 47585), (465, 44822), (614, 33945), (730, 28551), (921, 22630), (930, 22411), (1095, 19034), (1535, 13578), (1842, 11315), (2190, 9517), (2263, 9210), (3070, 6789), (4526, 4605)]