20761072

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2203}}^1$

素因数の和:2261

約数の個数: 40

約数和(自身を含む): 43727360

約数和(自身を除く): 22966288

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 124, 152, 248, 304, 496, 589, 1178, 2203, 2356, 4406, 4712, 8812, 9424, 17624, 35248, 41857, 68293, 83714, 136586, 167428, 273172, 334856, 546344, 669712, 1092688, 1297567, 2595134, 5190268, 10380536, 20761072]

約数ペア:

[(1, 20761072), (2, 10380536), (4, 5190268), (8, 2595134), (16, 1297567), (19, 1092688), (31, 669712), (38, 546344), (62, 334856), (76, 273172), (124, 167428), (152, 136586), (248, 83714), (304, 68293), (496, 41857), (589, 35248), (1178, 17624), (2203, 9424), (2356, 8812), (4406, 4712)]