20404779544

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{15661}}^1$

素因数の和:15860

約数の個数: 64

約数和(自身を含む): 40889096640

約数和(自身を除く): 20484317096

約数列:

[1, 2, 4, 8, 23, 46, 73, 92, 97, 146, 184, 194, 292, 388, 584, 776, 1679, 2231, 3358, 4462, 6716, 7081, 8924, 13432, 14162, 15661, 17848, 28324, 31322, 56648, 62644, 125288, 162863, 325726, 360203, 651452, 720406, 1143253, 1302904, 1440812, 1519117, 2286506, 2881624, 3038234, 4573012, 6076468, 9146024, 12152936, 26294819, 34939691, 52589638, 69879382, 105179276, 110895541, 139758764, 210358552, 221791082, 279517528, 443582164, 887164328, 2550597443, 5101194886, 10202389772, 20404779544]

約数ペア:

[(1, 20404779544), (2, 10202389772), (4, 5101194886), (8, 2550597443), (23, 887164328), (46, 443582164), (73, 279517528), (92, 221791082), (97, 210358552), (146, 139758764), (184, 110895541), (194, 105179276), (292, 69879382), (388, 52589638), (584, 34939691), (776, 26294819), (1679, 12152936), (2231, 9146024), (3358, 6076468), (4462, 4573012), (6716, 3038234), (7081, 2881624), (8924, 2286506), (13432, 1519117), (14162, 1440812), (15661, 1302904), (17848, 1143253), (28324, 720406), (31322, 651452), (56648, 360203), (62644, 325726), (125288, 162863)]