20490696594

素因数分解:

$2^1\times 3^2\times {\mathrm{89}}^1\times {\mathrm{167}}^1\times {\mathrm{191}}^1\times {\mathrm{401}}^1$

素因数の和:856

約数の個数: 96

約数和(自身を含む): 45513861120

約数和(自身を除く): 25023164526

約数列:

[1, 2, 3, 6, 9, 18, 89, 167, 178, 191, 267, 334, 382, 401, 501, 534, 573, 801, 802, 1002, 1146, 1203, 1503, 1602, 1719, 2406, 3006, 3438, 3609, 7218, 14863, 16999, 29726, 31897, 33998, 35689, 44589, 50997, 63794, 66967, 71378, 76591, 89178, 95691, 101994, 107067, 133767, 133934, 152991, 153182, 191382, 200901, 214134, 229773, 267534, 287073, 305982, 321201, 401802, 459546, 574146, 602703, 642402, 689319, 1205406, 1378638, 2838833, 5677666, 5960063, 6816599, 8516499, 11920126, 12790697, 13633198, 17032998, 17880189, 20449797, 25549497, 25581394, 35760378, 38372091, 40899594, 51098994, 53640567, 61349391, 76744182, 107281134, 115116273, 122698782, 230232546, 1138372033, 2276744066, 3415116099, 6830232198, 10245348297, 20490696594]

約数ペア:

[(1, 20490696594), (2, 10245348297), (3, 6830232198), (6, 3415116099), (9, 2276744066), (18, 1138372033), (89, 230232546), (167, 122698782), (178, 115116273), (191, 107281134), (267, 76744182), (334, 61349391), (382, 53640567), (401, 51098994), (501, 40899594), (534, 38372091), (573, 35760378), (801, 25581394), (802, 25549497), (1002, 20449797), (1146, 17880189), (1203, 17032998), (1503, 13633198), (1602, 12790697), (1719, 11920126), (2406, 8516499), (3006, 6816599), (3438, 5960063), (3609, 5677666), (7218, 2838833), (14863, 1378638), (16999, 1205406), (29726, 689319), (31897, 642402), (33998, 602703), (35689, 574146), (44589, 459546), (50997, 401802), (63794, 321201), (66967, 305982), (71378, 287073), (76591, 267534), (89178, 229773), (95691, 214134), (101994, 200901), (107067, 191382), (133767, 153182), (133934, 152991)]