20005622

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{383}}^1$

素因数の和:453

約数の個数: 48

約数和(自身を含む): 38610432

約数和(自身を除く): 18604810

約数列:

[1, 2, 7, 13, 14, 26, 41, 49, 82, 91, 98, 182, 287, 383, 533, 574, 637, 766, 1066, 1274, 2009, 2681, 3731, 4018, 4979, 5362, 7462, 9958, 15703, 18767, 26117, 31406, 34853, 37534, 52234, 69706, 109921, 204139, 219842, 243971, 408278, 487942, 769447, 1428973, 1538894, 2857946, 10002811, 20005622]

約数ペア:

[(1, 20005622), (2, 10002811), (7, 2857946), (13, 1538894), (14, 1428973), (26, 769447), (41, 487942), (49, 408278), (82, 243971), (91, 219842), (98, 204139), (182, 109921), (287, 69706), (383, 52234), (533, 37534), (574, 34853), (637, 31406), (766, 26117), (1066, 18767), (1274, 15703), (2009, 9958), (2681, 7462), (3731, 5362), (4018, 4979)]