20737132

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 41708800

約数和(自身を除く): 20971668

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 139, 151, 247, 278, 302, 494, 556, 604, 988, 1807, 1963, 2641, 2869, 3614, 3926, 5282, 5738, 7228, 7852, 10564, 11476, 20989, 34333, 37297, 41978, 68666, 74594, 83956, 137332, 149188, 272857, 398791, 545714, 797582, 1091428, 1595164, 5184283, 10368566, 20737132]

約数ペア:

[(1, 20737132), (2, 10368566), (4, 5184283), (13, 1595164), (19, 1091428), (26, 797582), (38, 545714), (52, 398791), (76, 272857), (139, 149188), (151, 137332), (247, 83956), (278, 74594), (302, 68666), (494, 41978), (556, 37297), (604, 34333), (988, 20989), (1807, 11476), (1963, 10564), (2641, 7852), (2869, 7228), (3614, 5738), (3926, 5282)]