20076882

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1$

素因数の和:351

約数の個数: 64

約数和(自身を含む): 48921600

約数和(自身を除く): 28844718

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 139, 181, 266, 278, 362, 399, 417, 543, 798, 834, 973, 1086, 1267, 1946, 2534, 2641, 2919, 3439, 3801, 5282, 5838, 6878, 7602, 7923, 10317, 15846, 18487, 20634, 24073, 25159, 36974, 48146, 50318, 55461, 72219, 75477, 110922, 144438, 150954, 176113, 352226, 478021, 528339, 956042, 1056678, 1434063, 2868126, 3346147, 6692294, 10038441, 20076882]

約数ペア:

[(1, 20076882), (2, 10038441), (3, 6692294), (6, 3346147), (7, 2868126), (14, 1434063), (19, 1056678), (21, 956042), (38, 528339), (42, 478021), (57, 352226), (114, 176113), (133, 150954), (139, 144438), (181, 110922), (266, 75477), (278, 72219), (362, 55461), (399, 50318), (417, 48146), (543, 36974), (798, 25159), (834, 24073), (973, 20634), (1086, 18487), (1267, 15846), (1946, 10317), (2534, 7923), (2641, 7602), (2919, 6878), (3439, 5838), (3801, 5282)]