20114055

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:257

約数の個数: 64

約数和(自身を含む): 39285120

約数和(自身を除く): 19171065

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 73, 117, 135, 157, 195, 219, 351, 365, 471, 585, 657, 785, 949, 1095, 1413, 1755, 1971, 2041, 2355, 2847, 3285, 4239, 4745, 6123, 7065, 8541, 9855, 10205, 11461, 14235, 18369, 21195, 25623, 30615, 34383, 42705, 55107, 57305, 91845, 103149, 128115, 148993, 171915, 275535, 309447, 446979, 515745, 744965, 1340937, 1547235, 2234895, 4022811, 6704685, 20114055]

約数ペア:

[(1, 20114055), (3, 6704685), (5, 4022811), (9, 2234895), (13, 1547235), (15, 1340937), (27, 744965), (39, 515745), (45, 446979), (65, 309447), (73, 275535), (117, 171915), (135, 148993), (157, 128115), (195, 103149), (219, 91845), (351, 57305), (365, 55107), (471, 42705), (585, 34383), (657, 30615), (785, 25623), (949, 21195), (1095, 18369), (1413, 14235), (1755, 11461), (1971, 10205), (2041, 9855), (2355, 8541), (2847, 7065), (3285, 6123), (4239, 4745)]