20163295467

素因数分解:

$3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1\times {\mathrm{6287}}^1$

素因数の和:6613

約数の個数: 64

約数和(自身を含む): 34770124800

約数和(自身を除く): 14606829333

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 189, 213, 239, 497, 639, 717, 1491, 1673, 1917, 2151, 4473, 5019, 6287, 6453, 13419, 15057, 16969, 18861, 44009, 45171, 50907, 56583, 118783, 132027, 152721, 169749, 356349, 396081, 446377, 458163, 1069047, 1188243, 1339131, 1502593, 3124639, 3207141, 4017393, 4507779, 9373917, 10518151, 12052179, 13523337, 28121751, 31554453, 40570011, 84365253, 94663359, 106684103, 283990077, 320052309, 746788721, 960156927, 2240366163, 2880470781, 6721098489, 20163295467]

約数ペア:

[(1, 20163295467), (3, 6721098489), (7, 2880470781), (9, 2240366163), (21, 960156927), (27, 746788721), (63, 320052309), (71, 283990077), (189, 106684103), (213, 94663359), (239, 84365253), (497, 40570011), (639, 31554453), (717, 28121751), (1491, 13523337), (1673, 12052179), (1917, 10518151), (2151, 9373917), (4473, 4507779), (5019, 4017393), (6287, 3207141), (6453, 3124639), (13419, 1502593), (15057, 1339131), (16969, 1188243), (18861, 1069047), (44009, 458163), (45171, 446377), (50907, 396081), (56583, 356349), (118783, 169749), (132027, 152721)]