20360886

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{419}}^1$

素因数の和:533

約数の個数: 64

約数和(自身を含む): 50803200

約数和(自身を除く): 30442314

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 89, 91, 178, 182, 267, 273, 419, 534, 546, 623, 838, 1157, 1246, 1257, 1869, 2314, 2514, 2933, 3471, 3738, 5447, 5866, 6942, 8099, 8799, 10894, 16198, 16341, 17598, 24297, 32682, 37291, 38129, 48594, 74582, 76258, 111873, 114387, 223746, 228774, 261037, 484783, 522074, 783111, 969566, 1454349, 1566222, 2908698, 3393481, 6786962, 10180443, 20360886]

約数ペア:

[(1, 20360886), (2, 10180443), (3, 6786962), (6, 3393481), (7, 2908698), (13, 1566222), (14, 1454349), (21, 969566), (26, 783111), (39, 522074), (42, 484783), (78, 261037), (89, 228774), (91, 223746), (178, 114387), (182, 111873), (267, 76258), (273, 74582), (419, 48594), (534, 38129), (546, 37291), (623, 32682), (838, 24297), (1157, 17598), (1246, 16341), (1257, 16198), (1869, 10894), (2314, 8799), (2514, 8099), (2933, 6942), (3471, 5866), (3738, 5447)]