20317640564

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1\times {\mathrm{28979}}^1$

素因数の和:29232

約数の個数: 48

約数和(自身を含む): 38965348800

約数和(自身を除く): 18647708236

約数列:

[1, 2, 4, 13, 26, 52, 97, 139, 194, 278, 388, 556, 1261, 1807, 2522, 3614, 5044, 7228, 13483, 26966, 28979, 53932, 57958, 115916, 175279, 350558, 376727, 701116, 753454, 1506908, 2810963, 4028081, 5621926, 8056162, 11243852, 16112324, 36542519, 52365053, 73085038, 104730106, 146170076, 209460212, 390723857, 781447714, 1562895428, 5079410141, 10158820282, 20317640564]

約数ペア:

[(1, 20317640564), (2, 10158820282), (4, 5079410141), (13, 1562895428), (26, 781447714), (52, 390723857), (97, 209460212), (139, 146170076), (194, 104730106), (278, 73085038), (388, 52365053), (556, 36542519), (1261, 16112324), (1807, 11243852), (2522, 8056162), (3614, 5621926), (5044, 4028081), (7228, 2810963), (13483, 1506908), (26966, 753454), (28979, 701116), (53932, 376727), (57958, 350558), (115916, 175279)]