20163584

素因数分解:

$2^{10}\times 7^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1$

素因数の和:153

約数の個数: 88

約数和(自身を含む): 48145440

約数和(自身を除く): 27981856

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 64, 97, 112, 116, 128, 194, 203, 224, 232, 256, 388, 406, 448, 464, 512, 679, 776, 812, 896, 928, 1024, 1358, 1552, 1624, 1792, 1856, 2716, 2813, 3104, 3248, 3584, 3712, 5432, 5626, 6208, 6496, 7168, 7424, 10864, 11252, 12416, 12992, 14848, 19691, 21728, 22504, 24832, 25984, 29696, 39382, 43456, 45008, 49664, 51968, 78764, 86912, 90016, 99328, 103936, 157528, 173824, 180032, 207872, 315056, 347648, 360064, 630112, 695296, 720128, 1260224, 1440256, 2520448, 2880512, 5040896, 10081792, 20163584]

約数ペア:

[(1, 20163584), (2, 10081792), (4, 5040896), (7, 2880512), (8, 2520448), (14, 1440256), (16, 1260224), (28, 720128), (29, 695296), (32, 630112), (56, 360064), (58, 347648), (64, 315056), (97, 207872), (112, 180032), (116, 173824), (128, 157528), (194, 103936), (203, 99328), (224, 90016), (232, 86912), (256, 78764), (388, 51968), (406, 49664), (448, 45008), (464, 43456), (512, 39382), (679, 29696), (776, 25984), (812, 24832), (896, 22504), (928, 21728), (1024, 19691), (1358, 14848), (1552, 12992), (1624, 12416), (1792, 11252), (1856, 10864), (2716, 7424), (2813, 7168), (3104, 6496), (3248, 6208), (3584, 5626), (3712, 5432)]