20929747384

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{219463}}^1$

素因数の和:219620

約数の個数: 64

約数和(自身を含む): 48668336640

約数和(自身を除く): 27738589256

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 131, 182, 262, 364, 524, 728, 917, 1048, 1703, 1834, 3406, 3668, 6812, 7336, 11921, 13624, 23842, 47684, 95368, 219463, 438926, 877852, 1536241, 1755704, 2853019, 3072482, 5706038, 6144964, 11412076, 12289928, 19971133, 22824152, 28749653, 39942266, 57499306, 79884532, 114998612, 159769064, 201247571, 229997224, 373745489, 402495142, 747490978, 804990284, 1494981956, 1609980568, 2616218423, 2989963912, 5232436846, 10464873692, 20929747384]

約数ペア:

[(1, 20929747384), (2, 10464873692), (4, 5232436846), (7, 2989963912), (8, 2616218423), (13, 1609980568), (14, 1494981956), (26, 804990284), (28, 747490978), (52, 402495142), (56, 373745489), (91, 229997224), (104, 201247571), (131, 159769064), (182, 114998612), (262, 79884532), (364, 57499306), (524, 39942266), (728, 28749653), (917, 22824152), (1048, 19971133), (1703, 12289928), (1834, 11412076), (3406, 6144964), (3668, 5706038), (6812, 3072482), (7336, 2853019), (11921, 1755704), (13624, 1536241), (23842, 877852), (47684, 438926), (95368, 219463)]