20493898845

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{57389}}^1$

素因数の和:57602

約数の個数: 64

約数和(自身を含む): 39667968000

約数和(自身を除く): 19174069155

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 179, 285, 399, 537, 665, 895, 1253, 1995, 2685, 3401, 3759, 6265, 10203, 17005, 18795, 23807, 51015, 57389, 71421, 119035, 172167, 286945, 357105, 401723, 860835, 1090391, 1205169, 2008615, 3271173, 5451955, 6025845, 7632737, 10272631, 16355865, 22898211, 30817893, 38163685, 51363155, 71908417, 114491055, 154089465, 195179989, 215725251, 359542085, 585539967, 975899945, 1078626255, 1366259923, 2927699835, 4098779769, 6831299615, 20493898845]

約数ペア:

[(1, 20493898845), (3, 6831299615), (5, 4098779769), (7, 2927699835), (15, 1366259923), (19, 1078626255), (21, 975899945), (35, 585539967), (57, 359542085), (95, 215725251), (105, 195179989), (133, 154089465), (179, 114491055), (285, 71908417), (399, 51363155), (537, 38163685), (665, 30817893), (895, 22898211), (1253, 16355865), (1995, 10272631), (2685, 7632737), (3401, 6025845), (3759, 5451955), (6265, 3271173), (10203, 2008615), (17005, 1205169), (18795, 1090391), (23807, 860835), (51015, 401723), (57389, 357105), (71421, 286945), (119035, 172167)]