20163104

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2551}}^1$

素因数の和:2593

約数の個数: 48

約数和(自身を含む): 45017280

約数和(自身を除く): 24854176

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 76, 104, 152, 208, 247, 304, 416, 494, 608, 988, 1976, 2551, 3952, 5102, 7904, 10204, 20408, 33163, 40816, 48469, 66326, 81632, 96938, 132652, 193876, 265304, 387752, 530608, 630097, 775504, 1061216, 1260194, 1551008, 2520388, 5040776, 10081552, 20163104]

約数ペア:

[(1, 20163104), (2, 10081552), (4, 5040776), (8, 2520388), (13, 1551008), (16, 1260194), (19, 1061216), (26, 775504), (32, 630097), (38, 530608), (52, 387752), (76, 265304), (104, 193876), (152, 132652), (208, 96938), (247, 81632), (304, 66326), (416, 48469), (494, 40816), (608, 33163), (988, 20408), (1976, 10204), (2551, 7904), (3952, 5102)]