20105693930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1303}}^1\times {\mathrm{1609}}^1$

素因数の和:3063

約数の個数: 64

約数和(自身を含む): 41720071680

約数和(自身を除く): 21614377750

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 137, 274, 685, 959, 1303, 1370, 1609, 1918, 2606, 3218, 4795, 6515, 8045, 9121, 9590, 11263, 13030, 16090, 18242, 22526, 45605, 56315, 91210, 112630, 178511, 220433, 357022, 440866, 892555, 1102165, 1249577, 1543031, 1785110, 2096527, 2204330, 2499154, 3086062, 4193054, 6247885, 7715155, 10482635, 12495770, 14675689, 15430310, 20965270, 29351378, 73378445, 146756890, 287224199, 574448398, 1436120995, 2010569393, 2872241990, 4021138786, 10052846965, 20105693930]

約数ペア:

[(1, 20105693930), (2, 10052846965), (5, 4021138786), (7, 2872241990), (10, 2010569393), (14, 1436120995), (35, 574448398), (70, 287224199), (137, 146756890), (274, 73378445), (685, 29351378), (959, 20965270), (1303, 15430310), (1370, 14675689), (1609, 12495770), (1918, 10482635), (2606, 7715155), (3218, 6247885), (4795, 4193054), (6515, 3086062), (8045, 2499154), (9121, 2204330), (9590, 2096527), (11263, 1785110), (13030, 1543031), (16090, 1249577), (18242, 1102165), (22526, 892555), (45605, 440866), (56315, 357022), (91210, 220433), (112630, 178511)]