20751276

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{613}}^1$

素因数の和:671

約数の個数: 96

約数和(自身を含む): 61616128

約数和(自身を除く): 40864852

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 31, 39, 42, 52, 62, 78, 84, 91, 93, 124, 156, 182, 186, 217, 273, 364, 372, 403, 434, 546, 613, 651, 806, 868, 1092, 1209, 1226, 1302, 1612, 1839, 2418, 2452, 2604, 2821, 3678, 4291, 4836, 5642, 7356, 7969, 8463, 8582, 11284, 12873, 15938, 16926, 17164, 19003, 23907, 25746, 31876, 33852, 38006, 47814, 51492, 55783, 57009, 76012, 95628, 111566, 114018, 133021, 167349, 223132, 228036, 247039, 266042, 334698, 399063, 494078, 532084, 669396, 741117, 798126, 988156, 1482234, 1596252, 1729273, 2964468, 3458546, 5187819, 6917092, 10375638, 20751276]

約数ペア:

[(1, 20751276), (2, 10375638), (3, 6917092), (4, 5187819), (6, 3458546), (7, 2964468), (12, 1729273), (13, 1596252), (14, 1482234), (21, 988156), (26, 798126), (28, 741117), (31, 669396), (39, 532084), (42, 494078), (52, 399063), (62, 334698), (78, 266042), (84, 247039), (91, 228036), (93, 223132), (124, 167349), (156, 133021), (182, 114018), (186, 111566), (217, 95628), (273, 76012), (364, 57009), (372, 55783), (403, 51492), (434, 47814), (546, 38006), (613, 33852), (651, 31876), (806, 25746), (868, 23907), (1092, 19003), (1209, 17164), (1226, 16926), (1302, 15938), (1612, 12873), (1839, 11284), (2418, 8582), (2452, 8463), (2604, 7969), (2821, 7356), (3678, 5642), (4291, 4836)]