20800710

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{241}}^1$

素因数の和:398

約数の個数: 96

約数和(自身を含む): 62517312

約数和(自身を除く): 41716602

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 137, 210, 241, 274, 315, 411, 482, 630, 685, 723, 822, 959, 1205, 1233, 1370, 1446, 1687, 1918, 2055, 2169, 2410, 2466, 2877, 3374, 3615, 4110, 4338, 4795, 5061, 5754, 6165, 7230, 8435, 8631, 9590, 10122, 10845, 12330, 14385, 15183, 16870, 17262, 21690, 25305, 28770, 30366, 33017, 43155, 50610, 66034, 75915, 86310, 99051, 151830, 165085, 198102, 231119, 297153, 330170, 462238, 495255, 594306, 693357, 990510, 1155595, 1386714, 1485765, 2080071, 2311190, 2971530, 3466785, 4160142, 6933570, 10400355, 20800710]

約数ペア:

[(1, 20800710), (2, 10400355), (3, 6933570), (5, 4160142), (6, 3466785), (7, 2971530), (9, 2311190), (10, 2080071), (14, 1485765), (15, 1386714), (18, 1155595), (21, 990510), (30, 693357), (35, 594306), (42, 495255), (45, 462238), (63, 330170), (70, 297153), (90, 231119), (105, 198102), (126, 165085), (137, 151830), (210, 99051), (241, 86310), (274, 75915), (315, 66034), (411, 50610), (482, 43155), (630, 33017), (685, 30366), (723, 28770), (822, 25305), (959, 21690), (1205, 17262), (1233, 16870), (1370, 15183), (1446, 14385), (1687, 12330), (1918, 10845), (2055, 10122), (2169, 9590), (2410, 8631), (2466, 8435), (2877, 7230), (3374, 6165), (3615, 5754), (4110, 5061), (4338, 4795)]