20647488

素因数分解:

$2^6\times 3^1\times {\mathrm{31}}^1\times {\mathrm{3469}}^1$

素因数の和:3515

約数の個数: 56

約数和(自身を含む): 56408320

約数和(自身を除く): 35760832

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 93, 96, 124, 186, 192, 248, 372, 496, 744, 992, 1488, 1984, 2976, 3469, 5952, 6938, 10407, 13876, 20814, 27752, 41628, 55504, 83256, 107539, 111008, 166512, 215078, 222016, 322617, 333024, 430156, 645234, 666048, 860312, 1290468, 1720624, 2580936, 3441248, 5161872, 6882496, 10323744, 20647488]

約数ペア:

[(1, 20647488), (2, 10323744), (3, 6882496), (4, 5161872), (6, 3441248), (8, 2580936), (12, 1720624), (16, 1290468), (24, 860312), (31, 666048), (32, 645234), (48, 430156), (62, 333024), (64, 322617), (93, 222016), (96, 215078), (124, 166512), (186, 111008), (192, 107539), (248, 83256), (372, 55504), (496, 41628), (744, 27752), (992, 20814), (1488, 13876), (1984, 10407), (2976, 6938), (3469, 5952)]