20528040596

素因数分解:

$2^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{293}}^1\times {\mathrm{9661}}^1$

素因数の和:10009

約数の個数: 72

約数和(自身を含む): 43069601736

約数和(自身を除く): 22541561140

約数列:

[1, 2, 4, 7, 14, 28, 37, 49, 74, 98, 148, 196, 259, 293, 518, 586, 1036, 1172, 1813, 2051, 3626, 4102, 7252, 8204, 9661, 10841, 14357, 19322, 21682, 28714, 38644, 43364, 57428, 67627, 75887, 135254, 151774, 270508, 303548, 357457, 473389, 531209, 714914, 946778, 1062418, 1429828, 1893556, 2124836, 2502199, 2830673, 5004398, 5661346, 10008796, 11322692, 17515393, 19814711, 35030786, 39629422, 70061572, 79258844, 104734901, 138702977, 209469802, 277405954, 418939604, 554811908, 733144307, 1466288614, 2932577228, 5132010149, 10264020298, 20528040596]

約数ペア:

[(1, 20528040596), (2, 10264020298), (4, 5132010149), (7, 2932577228), (14, 1466288614), (28, 733144307), (37, 554811908), (49, 418939604), (74, 277405954), (98, 209469802), (148, 138702977), (196, 104734901), (259, 79258844), (293, 70061572), (518, 39629422), (586, 35030786), (1036, 19814711), (1172, 17515393), (1813, 11322692), (2051, 10008796), (3626, 5661346), (4102, 5004398), (7252, 2830673), (8204, 2502199), (9661, 2124836), (10841, 1893556), (14357, 1429828), (19322, 1062418), (21682, 946778), (28714, 714914), (38644, 531209), (43364, 473389), (57428, 357457), (67627, 303548), (75887, 270508), (135254, 151774)]