20758830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{461}}^1$

素因数の和:569

約数の個数: 64

約数和(自身を含む): 53222400

約数和(自身を除く): 32463570

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 79, 95, 114, 158, 190, 237, 285, 395, 461, 474, 570, 790, 922, 1185, 1383, 1501, 2305, 2370, 2766, 3002, 4503, 4610, 6915, 7505, 8759, 9006, 13830, 15010, 17518, 22515, 26277, 36419, 43795, 45030, 52554, 72838, 87590, 109257, 131385, 182095, 218514, 262770, 364190, 546285, 691961, 1092570, 1383922, 2075883, 3459805, 4151766, 6919610, 10379415, 20758830]

約数ペア:

[(1, 20758830), (2, 10379415), (3, 6919610), (5, 4151766), (6, 3459805), (10, 2075883), (15, 1383922), (19, 1092570), (30, 691961), (38, 546285), (57, 364190), (79, 262770), (95, 218514), (114, 182095), (158, 131385), (190, 109257), (237, 87590), (285, 72838), (395, 52554), (461, 45030), (474, 43795), (570, 36419), (790, 26277), (922, 22515), (1185, 17518), (1383, 15010), (1501, 13830), (2305, 9006), (2370, 8759), (2766, 7505), (3002, 6915), (4503, 4610)]