20187589905

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{165601}}^1$

素因数の和:165668

約数の個数: 80

約数和(自身を含む): 42319922304

約数和(自身を除く): 22132332399

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 43, 45, 63, 81, 105, 129, 135, 189, 215, 301, 315, 387, 405, 567, 645, 903, 945, 1161, 1505, 1935, 2709, 2835, 3483, 4515, 5805, 8127, 13545, 17415, 24381, 40635, 121905, 165601, 496803, 828005, 1159207, 1490409, 2484015, 3477621, 4471227, 5796035, 7120843, 7452045, 10432863, 13413681, 17388105, 21362529, 22356135, 31298589, 35604215, 49845901, 52164315, 64087587, 67068405, 93895767, 106812645, 149537703, 156492945, 192262761, 249229505, 320437935, 448613109, 469478835, 576788283, 747688515, 961313805, 1345839327, 2243065545, 2883941415, 4037517981, 6729196635, 20187589905]

約数ペア:

[(1, 20187589905), (3, 6729196635), (5, 4037517981), (7, 2883941415), (9, 2243065545), (15, 1345839327), (21, 961313805), (27, 747688515), (35, 576788283), (43, 469478835), (45, 448613109), (63, 320437935), (81, 249229505), (105, 192262761), (129, 156492945), (135, 149537703), (189, 106812645), (215, 93895767), (301, 67068405), (315, 64087587), (387, 52164315), (405, 49845901), (567, 35604215), (645, 31298589), (903, 22356135), (945, 21362529), (1161, 17388105), (1505, 13413681), (1935, 10432863), (2709, 7452045), (2835, 7120843), (3483, 5796035), (4515, 4471227), (5805, 3477621), (8127, 2484015), (13545, 1490409), (17415, 1159207), (24381, 828005), (40635, 496803), (121905, 165601)]