20041376

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1$

素因数の和:357

約数の個数: 48

約数和(自身を含む): 41368320

約数和(自身を除く): 21326944

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 89, 124, 178, 227, 248, 356, 454, 496, 712, 908, 992, 1424, 1816, 2759, 2848, 3632, 5518, 7037, 7264, 11036, 14074, 20203, 22072, 28148, 40406, 44144, 56296, 80812, 88288, 112592, 161624, 225184, 323248, 626293, 646496, 1252586, 2505172, 5010344, 10020688, 20041376]

約数ペア:

[(1, 20041376), (2, 10020688), (4, 5010344), (8, 2505172), (16, 1252586), (31, 646496), (32, 626293), (62, 323248), (89, 225184), (124, 161624), (178, 112592), (227, 88288), (248, 80812), (356, 56296), (454, 44144), (496, 40406), (712, 28148), (908, 22072), (992, 20203), (1424, 14074), (1816, 11036), (2759, 7264), (2848, 7037), (3632, 5518)]