20871438

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{7417}}^1$

素因数の和:7496

約数の個数: 32

約数和(自身を含む): 48424704

約数和(自身を除く): 27553266

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 67, 134, 201, 402, 469, 938, 1407, 2814, 7417, 14834, 22251, 44502, 51919, 103838, 155757, 311514, 496939, 993878, 1490817, 2981634, 3478573, 6957146, 10435719, 20871438]

約数ペア:

[(1, 20871438), (2, 10435719), (3, 6957146), (6, 3478573), (7, 2981634), (14, 1490817), (21, 993878), (42, 496939), (67, 311514), (134, 155757), (201, 103838), (402, 51919), (469, 44502), (938, 22251), (1407, 14834), (2814, 7417)]