20156508758

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{435139}}^1$

素因数の和:435236

約数の個数: 32

約数和(自身を含む): 33836486400

約数和(自身を除く): 13679977642

約数列:

[1, 2, 19, 23, 38, 46, 53, 106, 437, 874, 1007, 1219, 2014, 2438, 23161, 46322, 435139, 870278, 8267641, 10008197, 16535282, 20016394, 23062367, 46124734, 190155743, 380311486, 438184973, 530434441, 876369946, 1060868882, 10078254379, 20156508758]

約数ペア:

[(1, 20156508758), (2, 10078254379), (19, 1060868882), (23, 876369946), (38, 530434441), (46, 438184973), (53, 380311486), (106, 190155743), (437, 46124734), (874, 23062367), (1007, 20016394), (1219, 16535282), (2014, 10008197), (2438, 8267641), (23161, 870278), (46322, 435139)]