20163578930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{81001}}^1$

素因数の和:81123

約数の個数: 64

約数和(自身を含む): 41431550976

約数和(自身を除く): 21267972046

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 73, 110, 146, 155, 310, 341, 365, 682, 730, 803, 1606, 1705, 2263, 3410, 4015, 4526, 8030, 11315, 22630, 24893, 49786, 81001, 124465, 162002, 248930, 405005, 810010, 891011, 1782022, 2511031, 4455055, 5022062, 5913073, 8910110, 11826146, 12555155, 25110310, 27621341, 29565365, 55242682, 59130730, 65043803, 130087606, 138106705, 183305263, 276213410, 325219015, 366610526, 650438030, 916526315, 1833052630, 2016357893, 4032715786, 10081789465, 20163578930]

約数ペア:

[(1, 20163578930), (2, 10081789465), (5, 4032715786), (10, 2016357893), (11, 1833052630), (22, 916526315), (31, 650438030), (55, 366610526), (62, 325219015), (73, 276213410), (110, 183305263), (146, 138106705), (155, 130087606), (310, 65043803), (341, 59130730), (365, 55242682), (682, 29565365), (730, 27621341), (803, 25110310), (1606, 12555155), (1705, 11826146), (2263, 8910110), (3410, 5913073), (4015, 5022062), (4526, 4455055), (8030, 2511031), (11315, 1782022), (22630, 891011), (24893, 810010), (49786, 405005), (81001, 248930), (124465, 162002)]