20321448

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1657}}^1$

素因数の和:1746

約数の個数: 64

約数和(自身を含む): 58892160

約数和(自身を除く): 38570712

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 73, 84, 146, 168, 219, 292, 438, 511, 584, 876, 1022, 1533, 1657, 1752, 2044, 3066, 3314, 4088, 4971, 6132, 6628, 9942, 11599, 12264, 13256, 19884, 23198, 34797, 39768, 46396, 69594, 92792, 120961, 139188, 241922, 278376, 362883, 483844, 725766, 846727, 967688, 1451532, 1693454, 2540181, 2903064, 3386908, 5080362, 6773816, 10160724, 20321448]

約数ペア:

[(1, 20321448), (2, 10160724), (3, 6773816), (4, 5080362), (6, 3386908), (7, 2903064), (8, 2540181), (12, 1693454), (14, 1451532), (21, 967688), (24, 846727), (28, 725766), (42, 483844), (56, 362883), (73, 278376), (84, 241922), (146, 139188), (168, 120961), (219, 92792), (292, 69594), (438, 46396), (511, 39768), (584, 34797), (876, 23198), (1022, 19884), (1533, 13256), (1657, 12264), (1752, 11599), (2044, 9942), (3066, 6628), (3314, 6132), (4088, 4971)]