20144292490

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{3359}}^1\times {\mathrm{12239}}^1$

素因数の和:15619

約数の個数: 48

約数和(自身を含む): 42195686400

約数和(自身を除く): 22051393910

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 3359, 6718, 12239, 16795, 23513, 24478, 33590, 47026, 61195, 85673, 117565, 122390, 164591, 171346, 235130, 329182, 428365, 599711, 822955, 856730, 1199422, 1645910, 2998555, 5997110, 41110801, 82221602, 205554005, 287775607, 411108010, 575551214, 1438878035, 2014429249, 2877756070, 4028858498, 10072146245, 20144292490]

約数ペア:

[(1, 20144292490), (2, 10072146245), (5, 4028858498), (7, 2877756070), (10, 2014429249), (14, 1438878035), (35, 575551214), (49, 411108010), (70, 287775607), (98, 205554005), (245, 82221602), (490, 41110801), (3359, 5997110), (6718, 2998555), (12239, 1645910), (16795, 1199422), (23513, 856730), (24478, 822955), (33590, 599711), (47026, 428365), (61195, 329182), (85673, 235130), (117565, 171346), (122390, 164591)]